diff --git a/resources/templates/provision/cisco/spa122/{$mac}.xml b/resources/templates/provision/cisco/spa122/{$mac}.xml
index 8c42da7174..b38316fbeb 100644
--- a/resources/templates/provision/cisco/spa122/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa122/{$mac}.xml
@@ -154,8 +154,8 @@
 <RTP_CoS_Value_1_>6</RTP_CoS_Value_1_>
 <Network_Jitter_Level_1_>high</Network_Jitter_Level_1_>
 <Jitter_Buffer_Adjustment_1_>Yes</Jitter_Buffer_Adjustment_1_>
-<SIP_Transport_1_>UDP</SIP_Transport_1_>
-<SIP_Port_1_>5060</SIP_Port_1_>
+<SIP_Transport_1_>{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_>{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_>No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_></EXT_SIP_Port_1_>
 <Auth_Resync-Reboot_1_>Yes</Auth_Resync-Reboot_1_>
@@ -188,7 +188,7 @@
 <Use_OB_Proxy_In_Dialog_1_>Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_>Yes</Register_1_>
 <Make_Call_Without_Reg_1_>No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_>180</Register_Expires_1_>
+<Register_Expires_1_>{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_>No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_>No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_>No</DNS_SRV_Auto_Prefix_1_>
@@ -280,8 +280,8 @@
 <RTP_CoS_Value_2_>6</RTP_CoS_Value_2_>
 <Network_Jitter_Level_2_>high</Network_Jitter_Level_2_>
 <Jitter_Buffer_Adjustment_2_>Yes</Jitter_Buffer_Adjustment_2_>
-<SIP_Transport_2_>UDP</SIP_Transport_2_>
-<SIP_Port_2_>5064</SIP_Port_2_>
+<SIP_Transport_2_>{$sip_transport_2}</SIP_Transport_2_>
+<SIP_Port_2_>{$sip_port_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_>No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_></EXT_SIP_Port_2_>
 <Auth_Resync-Reboot_2_>Yes</Auth_Resync-Reboot_2_>
diff --git a/resources/templates/provision/cisco/spa301/{$mac}.xml b/resources/templates/provision/cisco/spa301/{$mac}.xml
index f2f7bcc4c0..89ccd394c5 100644
--- a/resources/templates/provision/cisco/spa301/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa301/{$mac}.xml
@@ -421,8 +421,8 @@
 <Jitter_Buffer_Adjustment_1_ group="Ext_1/Network_Settings">up and down</Jitter_Buffer_Adjustment_1_>
 
 <!-- Ext_1/SIP_Settings -->
-<SIP_Transport_1_ group="Ext_1/SIP_Settings">UDP</SIP_Transport_1_>
-<SIP_Port_1_ group="Ext_1/SIP_Settings">5060</SIP_Port_1_>
+<SIP_Transport_1_ group="Ext_1/SIP_Settings">{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_ group="Ext_1/SIP_Settings">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ group="Ext_1/SIP_Settings">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ group="Ext_1/SIP_Settings" />
 <Auth_Resync-Reboot_1_ group="Ext_1/SIP_Settings">Yes</Auth_Resync-Reboot_1_>
@@ -471,7 +471,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
diff --git a/resources/templates/provision/cisco/spa303/{$mac}.xml b/resources/templates/provision/cisco/spa303/{$mac}.xml
index 99c83d7925..b37471bcce 100644
--- a/resources/templates/provision/cisco/spa303/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa303/{$mac}.xml
@@ -246,8 +246,8 @@
 <Jitter_Buffer_Adjustment_1_ ua="na">up and down</Jitter_Buffer_Adjustment_1_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_1_ ua="na">UDP</SIP_Transport_1_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_1_ ua="na">5060</SIP_Port_1_>
+<SIP_Transport_1_ ua="na">{$sip_transport_1}</SIP_Transport_1_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_1_ ua="na">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ ua="na">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ ua="na"></EXT_SIP_Port_1_>
 <Auth_Resync-Reboot_1_ ua="na">Yes</Auth_Resync-Reboot_1_>
@@ -290,7 +290,7 @@
 <Use_OB_Proxy_In_Dialog_1_ ua="na">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ ua="na">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ ua="na">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ ua="na">3600</Register_Expires_1_>
+<Register_Expires_1_ ua="na">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ ua="na">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ ua="na">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ ua="na">No</DNS_SRV_Auto_Prefix_1_>
@@ -358,8 +358,8 @@
 <Jitter_Buffer_Adjustment_2_ ua="na">up and down</Jitter_Buffer_Adjustment_2_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_2_ ua="na">UDP</SIP_Transport_2_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_2_ ua="na">5061</SIP_Port_2_>
+<SIP_Transport_2_ ua="na">{$sip_transport_2}</SIP_Transport_2_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_2_ ua="na">{$sip_port_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_ ua="na">No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_ ua="na"></EXT_SIP_Port_2_>
 <Auth_Resync-Reboot_2_ ua="na">Yes</Auth_Resync-Reboot_2_>
@@ -402,7 +402,7 @@
 <Use_OB_Proxy_In_Dialog_2_ ua="na">Yes</Use_OB_Proxy_In_Dialog_2_>
 <Register_2_ ua="na">Yes</Register_2_>
 <Make_Call_Without_Reg_2_ ua="na">No</Make_Call_Without_Reg_2_>
-<Register_Expires_2_ ua="na">3600</Register_Expires_2_>
+<Register_Expires_2_ ua="na">{$register_expires_2}</Register_Expires_2_>
 <Ans_Call_Without_Reg_2_ ua="na">No</Ans_Call_Without_Reg_2_>
 <Use_DNS_SRV_2_ ua="na">No</Use_DNS_SRV_2_>
 <DNS_SRV_Auto_Prefix_2_ ua="na">No</DNS_SRV_Auto_Prefix_2_>
@@ -470,8 +470,8 @@
 <Jitter_Buffer_Adjustment_3_ ua="na">up and down</Jitter_Buffer_Adjustment_3_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_3_ ua="na">UDP</SIP_Transport_3_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_3_ ua="na">5062</SIP_Port_3_>
+<SIP_Transport_3_ ua="na">{$sip_transport_3}</SIP_Transport_3_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_3_ ua="na">{$sip_port_3}</SIP_Port_3_>
 <SIP_100REL_Enable_3_ ua="na">No</SIP_100REL_Enable_3_>
 <EXT_SIP_Port_3_ ua="na"></EXT_SIP_Port_3_>
 <Auth_Resync-Reboot_3_ ua="na">Yes</Auth_Resync-Reboot_3_>
@@ -514,7 +514,7 @@
 <Use_OB_Proxy_In_Dialog_3_ ua="na">Yes</Use_OB_Proxy_In_Dialog_3_>
 <Register_3_ ua="na">Yes</Register_3_>
 <Make_Call_Without_Reg_3_ ua="na">No</Make_Call_Without_Reg_3_>
-<Register_Expires_3_ ua="na">3600</Register_Expires_3_>
+<Register_Expires_3_ ua="na">{$register_expires_3}</Register_Expires_3_>
 <Ans_Call_Without_Reg_3_ ua="na">No</Ans_Call_Without_Reg_3_>
 <Use_DNS_SRV_3_ ua="na">No</Use_DNS_SRV_3_>
 <DNS_SRV_Auto_Prefix_3_ ua="na">No</DNS_SRV_Auto_Prefix_3_>
@@ -582,8 +582,8 @@
 <Jitter_Buffer_Adjustment_4_ ua="na">up and down</Jitter_Buffer_Adjustment_4_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_4_ ua="na">UDP</SIP_Transport_4_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_4_ ua="na">5063</SIP_Port_4_>
+<SIP_Transport_4_ ua="na">{$sip_transport_4}</SIP_Transport_4_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_4_ ua="na">{$sip_port_4}</SIP_Port_4_>
 <SIP_100REL_Enable_4_ ua="na">No</SIP_100REL_Enable_4_>
 <EXT_SIP_Port_4_ ua="na"></EXT_SIP_Port_4_>
 <Auth_Resync-Reboot_4_ ua="na">Yes</Auth_Resync-Reboot_4_>
@@ -626,7 +626,7 @@
 <Use_OB_Proxy_In_Dialog_4_ ua="na">Yes</Use_OB_Proxy_In_Dialog_4_>
 <Register_4_ ua="na">Yes</Register_4_>
 <Make_Call_Without_Reg_4_ ua="na">No</Make_Call_Without_Reg_4_>
-<Register_Expires_4_ ua="na">3600</Register_Expires_4_>
+<Register_Expires_4_ ua="na">{$register_expires_4}</Register_Expires_4_>
 <Ans_Call_Without_Reg_4_ ua="na">No</Ans_Call_Without_Reg_4_>
 <Use_DNS_SRV_4_ ua="na">No</Use_DNS_SRV_4_>
 <DNS_SRV_Auto_Prefix_4_ ua="na">No</DNS_SRV_Auto_Prefix_4_>
@@ -694,8 +694,8 @@
 <Jitter_Buffer_Adjustment_5_ ua="na">up and down</Jitter_Buffer_Adjustment_5_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_5_ ua="na">UDP</SIP_Transport_5_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_5_ ua="na">5064</SIP_Port_5_>
+<SIP_Transport_5_ ua="na">{$sip_transport_5}</SIP_Transport_5_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_5_ ua="na">{$sip_port_5}</SIP_Port_5_>
 <SIP_100REL_Enable_5_ ua="na">No</SIP_100REL_Enable_5_>
 <EXT_SIP_Port_5_ ua="na"></EXT_SIP_Port_5_>
 <Auth_Resync-Reboot_5_ ua="na">Yes</Auth_Resync-Reboot_5_>
@@ -738,7 +738,7 @@
 <Use_OB_Proxy_In_Dialog_5_ ua="na">Yes</Use_OB_Proxy_In_Dialog_5_>
 <Register_5_ ua="na">Yes</Register_5_>
 <Make_Call_Without_Reg_5_ ua="na">No</Make_Call_Without_Reg_5_>
-<Register_Expires_5_ ua="na">3600</Register_Expires_5_>
+<Register_Expires_5_ ua="na">{$register_expires_5}</Register_Expires_5_>
 <Ans_Call_Without_Reg_5_ ua="na">No</Ans_Call_Without_Reg_5_>
 <Use_DNS_SRV_5_ ua="na">No</Use_DNS_SRV_5_>
 <DNS_SRV_Auto_Prefix_5_ ua="na">No</DNS_SRV_Auto_Prefix_5_>
@@ -806,8 +806,8 @@
 <Jitter_Buffer_Adjustment_6_ ua="na">up and down</Jitter_Buffer_Adjustment_6_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_6_ ua="na">UDP</SIP_Transport_6_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_6_ ua="na">5065</SIP_Port_6_>
+<SIP_Transport_6_ ua="na">{$sip_transport_6}</SIP_Transport_6_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_6_ ua="na">{$sip_port_6}</SIP_Port_6_>
 <SIP_100REL_Enable_6_ ua="na">No</SIP_100REL_Enable_6_>
 <EXT_SIP_Port_6_ ua="na"></EXT_SIP_Port_6_>
 <Auth_Resync-Reboot_6_ ua="na">Yes</Auth_Resync-Reboot_6_>
@@ -850,7 +850,7 @@
 <Use_OB_Proxy_In_Dialog_6_ ua="na">Yes</Use_OB_Proxy_In_Dialog_6_>
 <Register_6_ ua="na">Yes</Register_6_>
 <Make_Call_Without_Reg_6_ ua="na">No</Make_Call_Without_Reg_6_>
-<Register_Expires_6_ ua="na">3600</Register_Expires_6_>
+<Register_Expires_6_ ua="na">{$register_expires_6}</Register_Expires_6_>
 <Ans_Call_Without_Reg_6_ ua="na">No</Ans_Call_Without_Reg_6_>
 <Use_DNS_SRV_6_ ua="na">No</Use_DNS_SRV_6_>
 <DNS_SRV_Auto_Prefix_6_ ua="na">No</DNS_SRV_Auto_Prefix_6_>
@@ -918,8 +918,8 @@
 <Jitter_Buffer_Adjustment_7_ ua="na">up and down</Jitter_Buffer_Adjustment_7_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_7_ ua="na">UDP</SIP_Transport_7_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_7_ ua="na">5066</SIP_Port_7_>
+<SIP_Transport_7_ ua="na">{$sip_transport_7}</SIP_Transport_7_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_7_ ua="na">{$sip_port_7}</SIP_Port_7_>
 <SIP_100REL_Enable_7_ ua="na">No</SIP_100REL_Enable_7_>
 <EXT_SIP_Port_7_ ua="na"></EXT_SIP_Port_7_>
 <Auth_Resync-Reboot_7_ ua="na">Yes</Auth_Resync-Reboot_7_>
@@ -962,7 +962,7 @@
 <Use_OB_Proxy_In_Dialog_7_ ua="na">Yes</Use_OB_Proxy_In_Dialog_7_>
 <Register_7_ ua="na">Yes</Register_7_>
 <Make_Call_Without_Reg_7_ ua="na">No</Make_Call_Without_Reg_7_>
-<Register_Expires_7_ ua="na">3600</Register_Expires_7_>
+<Register_Expires_7_ ua="na">{$register_expires_7}</Register_Expires_7_>
 <Ans_Call_Without_Reg_7_ ua="na">No</Ans_Call_Without_Reg_7_>
 <Use_DNS_SRV_7_ ua="na">No</Use_DNS_SRV_7_>
 <DNS_SRV_Auto_Prefix_7_ ua="na">No</DNS_SRV_Auto_Prefix_7_>
@@ -1030,8 +1030,8 @@
 <Jitter_Buffer_Adjustment_8_ ua="na">up and down</Jitter_Buffer_Adjustment_8_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_8_ ua="na">UDP</SIP_Transport_8_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_8_ ua="na">5067</SIP_Port_8_>
+<SIP_Transport_8_ ua="na">{$sip_transport_8}</SIP_Transport_8_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_8_ ua="na">{$sip_port_8}</SIP_Port_8_>
 <SIP_100REL_Enable_8_ ua="na">No</SIP_100REL_Enable_8_>
 <EXT_SIP_Port_8_ ua="na"></EXT_SIP_Port_8_>
 <Auth_Resync-Reboot_8_ ua="na">Yes</Auth_Resync-Reboot_8_>
@@ -1074,7 +1074,7 @@
 <Use_OB_Proxy_In_Dialog_8_ ua="na">Yes</Use_OB_Proxy_In_Dialog_8_>
 <Register_8_ ua="na">Yes</Register_8_>
 <Make_Call_Without_Reg_8_ ua="na">No</Make_Call_Without_Reg_8_>
-<Register_Expires_8_ ua="na">3600</Register_Expires_8_>
+<Register_Expires_8_ ua="na">{$register_expires_8}</Register_Expires_8_>
 <Ans_Call_Without_Reg_8_ ua="na">No</Ans_Call_Without_Reg_8_>
 <Use_DNS_SRV_8_ ua="na">No</Use_DNS_SRV_8_>
 <DNS_SRV_Auto_Prefix_8_ ua="na">No</DNS_SRV_Auto_Prefix_8_>
@@ -1142,8 +1142,8 @@
 <Jitter_Buffer_Adjustment_9_ ua="na">up and down</Jitter_Buffer_Adjustment_9_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_9_ ua="na">UDP</SIP_Transport_9_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_9_ ua="na">5068</SIP_Port_9_>
+<SIP_Transport_9_ ua="na">{$sip_transport_9}</SIP_Transport_9_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_9_ ua="na">{$sip_port_9}</SIP_Port_9_>
 <SIP_100REL_Enable_9_ ua="na">No</SIP_100REL_Enable_9_>
 <EXT_SIP_Port_9_ ua="na"></EXT_SIP_Port_9_>
 <Auth_Resync-Reboot_9_ ua="na">Yes</Auth_Resync-Reboot_9_>
@@ -1186,7 +1186,7 @@
 <Use_OB_Proxy_In_Dialog_9_ ua="na">Yes</Use_OB_Proxy_In_Dialog_9_>
 <Register_9_ ua="na">Yes</Register_9_>
 <Make_Call_Without_Reg_9_ ua="na">No</Make_Call_Without_Reg_9_>
-<Register_Expires_9_ ua="na">3600</Register_Expires_9_>
+<Register_Expires_9_ ua="na">{$register_expires_9}</Register_Expires_9_>
 <Ans_Call_Without_Reg_9_ ua="na">No</Ans_Call_Without_Reg_9_>
 <Use_DNS_SRV_9_ ua="na">No</Use_DNS_SRV_9_>
 <DNS_SRV_Auto_Prefix_9_ ua="na">No</DNS_SRV_Auto_Prefix_9_>
@@ -1254,8 +1254,8 @@
 <Jitter_Buffer_Adjustment_10_ ua="na">up and down</Jitter_Buffer_Adjustment_10_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_10_ ua="na">UDP</SIP_Transport_10_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_10_ ua="na">5069</SIP_Port_10_>
+<SIP_Transport_10_ ua="na">{$sip_transport_10}</SIP_Transport_10_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_10_ ua="na">{$sip_port_10}</SIP_Port_10_>
 <SIP_100REL_Enable_10_ ua="na">No</SIP_100REL_Enable_10_>
 <EXT_SIP_Port_10_ ua="na"></EXT_SIP_Port_10_>
 <Auth_Resync-Reboot_10_ ua="na">Yes</Auth_Resync-Reboot_10_>
@@ -1366,8 +1366,8 @@
 <Jitter_Buffer_Adjustment_11_ ua="na">up and down</Jitter_Buffer_Adjustment_11_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_11_ ua="na">UDP</SIP_Transport_11_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_11_ ua="na">5070</SIP_Port_11_>
+<SIP_Transport_11_ ua="na">{$sip_transport_11}</SIP_Transport_11_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_11_ ua="na">{$sip_port_11}</SIP_Port_11_>
 <SIP_100REL_Enable_11_ ua="na">No</SIP_100REL_Enable_11_>
 <EXT_SIP_Port_11_ ua="na"></EXT_SIP_Port_11_>
 <Auth_Resync-Reboot_11_ ua="na">Yes</Auth_Resync-Reboot_11_>
@@ -1478,8 +1478,8 @@
 <Jitter_Buffer_Adjustment_12_ ua="na">up and down</Jitter_Buffer_Adjustment_12_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_12_ ua="na">UDP</SIP_Transport_12_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_12_ ua="na">5071</SIP_Port_12_>
+<SIP_Transport_12_ ua="na">{$sip_transport_12}</SIP_Transport_12_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_12_ ua="na">{$sip_port_12}</SIP_Port_12_>
 <SIP_100REL_Enable_12_ ua="na">No</SIP_100REL_Enable_12_>
 <EXT_SIP_Port_12_ ua="na"></EXT_SIP_Port_12_>
 <Auth_Resync-Reboot_12_ ua="na">Yes</Auth_Resync-Reboot_12_>
diff --git a/resources/templates/provision/cisco/spa501g/{$mac}.xml b/resources/templates/provision/cisco/spa501g/{$mac}.xml
index 289d6648e7..681dad86a6 100644
--- a/resources/templates/provision/cisco/spa501g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa501g/{$mac}.xml
@@ -553,8 +553,8 @@
 <Jitter_Buffer_Adjustment_1_ group="Ext_1/Network_Settings">up and down</Jitter_Buffer_Adjustment_1_>
 
 <!-- Ext_1/SIP_Settings -->	
-<SIP_Transport_1_ group="Ext_1/SIP_Settings">UDP</SIP_Transport_1_>
-<SIP_Port_1_ group="Ext_1/SIP_Settings">5060</SIP_Port_1_>
+<SIP_Transport_1_ group="Ext_1/SIP_Settings">{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_ group="Ext_1/SIP_Settings">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ group="Ext_1/SIP_Settings">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ group="Ext_1/SIP_Settings" />
 <Auth_Resync-Reboot_1_ group="Ext_1/SIP_Settings">Yes</Auth_Resync-Reboot_1_>
@@ -603,7 +603,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
@@ -674,8 +674,8 @@
 <Jitter_Buffer_Adjustment_2_ group="Ext_2/Network_Settings">up and down</Jitter_Buffer_Adjustment_2_>
 
 <!-- Ext_2/SIP_Settings -->
-<SIP_Transport_2_ group="Ext_2/SIP_Settings">UDP</SIP_Transport_2_>
-<SIP_Port_2_ group="Ext_2/SIP_Settings">5061</SIP_Port_2_>
+<SIP_Transport_2_ group="Ext_2/SIP_Settings">{$sip_transport_2}</SIP_Transport_2_>
+<SIP_Port_2_ group="Ext_2/SIP_Settings">{$sip_transport_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_ group="Ext_2/SIP_Settings">No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_ group="Ext_2/SIP_Settings" />
 <Auth_Resync-Reboot_2_ group="Ext_2/SIP_Settings">Yes</Auth_Resync-Reboot_2_>
@@ -724,7 +724,7 @@
 <Use_OB_Proxy_In_Dialog_2_ group="Ext_2/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_2_>
 <Register_2_ group="Ext_2/Proxy_and_Registration">Yes</Register_2_>
 <Make_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Make_Call_Without_Reg_2_>
-<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">180</Register_Expires_2_>
+<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">{$register_expires_2}</Register_Expires_2_>
 <Ans_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Ans_Call_Without_Reg_2_>
 <Use_DNS_SRV_2_ group="Ext_2/Proxy_and_Registration">No</Use_DNS_SRV_2_>
 <DNS_SRV_Auto_Prefix_2_ group="Ext_2/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_2_>
@@ -795,8 +795,8 @@
 <Jitter_Buffer_Adjustment_3_ group="Ext_3/Network_Settings">up and down</Jitter_Buffer_Adjustment_3_>
 
 <!-- Ext_3/SIP_Settings -->
-<SIP_Transport_3_ group="Ext_3/SIP_Settings">UDP</SIP_Transport_3_>
-<SIP_Port_3_ group="Ext_3/SIP_Settings">5062</SIP_Port_3_>
+<SIP_Transport_3_ group="Ext_3/SIP_Settings">{$sip_transport_3}</SIP_Transport_3_>
+<SIP_Port_3_ group="Ext_3/SIP_Settings">{$sip_port_3}</SIP_Port_3_>
 <SIP_100REL_Enable_3_ group="Ext_3/SIP_Settings">No</SIP_100REL_Enable_3_>
 <EXT_SIP_Port_3_ group="Ext_3/SIP_Settings" />
 <Auth_Resync-Reboot_3_ group="Ext_3/SIP_Settings">Yes</Auth_Resync-Reboot_3_>
@@ -845,7 +845,7 @@
 <Use_OB_Proxy_In_Dialog_3_ group="Ext_3/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_3_>
 <Register_3_ group="Ext_3/Proxy_and_Registration">Yes</Register_3_>
 <Make_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Make_Call_Without_Reg_3_>
-<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">180</Register_Expires_3_>
+<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">{$register_expires_3}</Register_Expires_3_>
 <Ans_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Ans_Call_Without_Reg_3_>
 <Use_DNS_SRV_3_ group="Ext_3/Proxy_and_Registration">No</Use_DNS_SRV_3_>
 <DNS_SRV_Auto_Prefix_3_ group="Ext_3/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_3_>
@@ -916,8 +916,8 @@
 <Jitter_Buffer_Adjustment_4_ group="Ext_4/Network_Settings">up and down</Jitter_Buffer_Adjustment_4_>
 
 <!-- Ext_4/SIP_Settings -->
-<SIP_Transport_4_ group="Ext_4/SIP_Settings">UDP</SIP_Transport_4_>
-<SIP_Port_4_ group="Ext_4/SIP_Settings">5063</SIP_Port_4_>
+<SIP_Transport_4_ group="Ext_4/SIP_Settings">{$sip_transport_4}</SIP_Transport_4_>
+<SIP_Port_4_ group="Ext_4/SIP_Settings">{$sip_port_4}</SIP_Port_4_>
 <SIP_100REL_Enable_4_ group="Ext_4/SIP_Settings">No</SIP_100REL_Enable_4_>
 <EXT_SIP_Port_4_ group="Ext_4/SIP_Settings" />
 <Auth_Resync-Reboot_4_ group="Ext_4/SIP_Settings">Yes</Auth_Resync-Reboot_4_>
@@ -966,7 +966,7 @@
 <Use_OB_Proxy_In_Dialog_4_ group="Ext_4/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_4_>
 <Register_4_ group="Ext_4/Proxy_and_Registration">Yes</Register_4_>
 <Make_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Make_Call_Without_Reg_4_>
-<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">180</Register_Expires_4_>
+<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">{$register_expires_4}</Register_Expires_4_>
 <Ans_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Ans_Call_Without_Reg_4_>
 <Use_DNS_SRV_4_ group="Ext_4/Proxy_and_Registration">No</Use_DNS_SRV_4_>
 <DNS_SRV_Auto_Prefix_4_ group="Ext_4/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_4_>
@@ -1037,8 +1037,8 @@
 <Jitter_Buffer_Adjustment_5_ group="Ext_5/Network_Settings">up and down</Jitter_Buffer_Adjustment_5_>
 
 <!-- Ext_5/SIP_Settings -->
-<SIP_Transport_5_ group="Ext_5/SIP_Settings">UDP</SIP_Transport_5_>
-<SIP_Port_5_ group="Ext_5/SIP_Settings">5064</SIP_Port_5_>
+<SIP_Transport_5_ group="Ext_5/SIP_Settings">{$sip_transport_5}</SIP_Transport_5_>
+<SIP_Port_5_ group="Ext_5/SIP_Settings">{$sip_port_5}</SIP_Port_5_>
 <SIP_100REL_Enable_5_ group="Ext_5/SIP_Settings">No</SIP_100REL_Enable_5_>
 <EXT_SIP_Port_5_ group="Ext_5/SIP_Settings" />
 <Auth_Resync-Reboot_5_ group="Ext_5/SIP_Settings">Yes</Auth_Resync-Reboot_5_>
@@ -1087,7 +1087,7 @@
 <Use_OB_Proxy_In_Dialog_5_ group="Ext_5/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_5_>
 <Register_5_ group="Ext_5/Proxy_and_Registration">Yes</Register_5_>
 <Make_Call_Without_Reg_5_ group="Ext_5/Proxy_and_Registration">No</Make_Call_Without_Reg_5_>
-<Register_Expires_5_ group="Ext_5/Proxy_and_Registration">180</Register_Expires_5_>
+<Register_Expires_5_ group="Ext_5/Proxy_and_Registration">{$register_expires_5}</Register_Expires_5_>
 <Ans_Call_Without_Reg_5_ group="Ext_5/Proxy_and_Registration">No</Ans_Call_Without_Reg_5_>
 <Use_DNS_SRV_5_ group="Ext_5/Proxy_and_Registration">No</Use_DNS_SRV_5_>
 <DNS_SRV_Auto_Prefix_5_ group="Ext_5/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_5_>
@@ -1158,8 +1158,8 @@
 <Jitter_Buffer_Adjustment_6_ group="Ext_6/Network_Settings">up and down</Jitter_Buffer_Adjustment_6_>
 
 <!-- Ext_6/SIP_Settings -->	
-<SIP_Transport_6_ group="Ext_6/SIP_Settings">UDP</SIP_Transport_6_>
-<SIP_Port_6_ group="Ext_6/SIP_Settings">5065</SIP_Port_6_>
+<SIP_Transport_6_ group="Ext_6/SIP_Settings">{$sip_transport_6}</SIP_Transport_6_>
+<SIP_Port_6_ group="Ext_6/SIP_Settings">{$sip_port_6}</SIP_Port_6_>
 <SIP_100REL_Enable_6_ group="Ext_6/SIP_Settings">No</SIP_100REL_Enable_6_>
 <EXT_SIP_Port_6_ group="Ext_6/SIP_Settings" />
 <Auth_Resync-Reboot_6_ group="Ext_6/SIP_Settings">Yes</Auth_Resync-Reboot_6_>
@@ -1208,7 +1208,7 @@
 <Use_OB_Proxy_In_Dialog_6_ group="Ext_6/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_6_>
 <Register_6_ group="Ext_6/Proxy_and_Registration">Yes</Register_6_>
 <Make_Call_Without_Reg_6_ group="Ext_6/Proxy_and_Registration">No</Make_Call_Without_Reg_6_>
-<Register_Expires_6_ group="Ext_6/Proxy_and_Registration">180</Register_Expires_6_>
+<Register_Expires_6_ group="Ext_6/Proxy_and_Registration">{$register_expires_6}</Register_Expires_6_>
 <Ans_Call_Without_Reg_6_ group="Ext_6/Proxy_and_Registration">No</Ans_Call_Without_Reg_6_>
 <Use_DNS_SRV_6_ group="Ext_6/Proxy_and_Registration">No</Use_DNS_SRV_6_>
 <DNS_SRV_Auto_Prefix_6_ group="Ext_6/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_6_>
@@ -1279,8 +1279,8 @@
 <Jitter_Buffer_Adjustment_7_ group="Ext_7/Network_Settings">up and down</Jitter_Buffer_Adjustment_7_>
 
 <!-- Ext_7/SIP_Settings -->
-<SIP_Transport_7_ group="Ext_7/SIP_Settings">UDP</SIP_Transport_7_>
-<SIP_Port_7_ group="Ext_7/SIP_Settings">5066</SIP_Port_7_>
+<SIP_Transport_7_ group="Ext_7/SIP_Settings">{$sip_transport_7}</SIP_Transport_7_>
+<SIP_Port_7_ group="Ext_7/SIP_Settings">{$sip_port_7}</SIP_Port_7_>
 <SIP_100REL_Enable_7_ group="Ext_7/SIP_Settings">No</SIP_100REL_Enable_7_>
 <EXT_SIP_Port_7_ group="Ext_7/SIP_Settings" />
 <Auth_Resync-Reboot_7_ group="Ext_7/SIP_Settings">Yes</Auth_Resync-Reboot_7_>
@@ -1329,7 +1329,7 @@
 <Use_OB_Proxy_In_Dialog_7_ group="Ext_7/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_7_>
 <Register_7_ group="Ext_7/Proxy_and_Registration">Yes</Register_7_>
 <Make_Call_Without_Reg_7_ group="Ext_7/Proxy_and_Registration">No</Make_Call_Without_Reg_7_>
-<Register_Expires_7_ group="Ext_7/Proxy_and_Registration">180</Register_Expires_7_>
+<Register_Expires_7_ group="Ext_7/Proxy_and_Registration">{$register_expires_7}</Register_Expires_7_>
 <Ans_Call_Without_Reg_7_ group="Ext_7/Proxy_and_Registration">No</Ans_Call_Without_Reg_7_>
 <Use_DNS_SRV_7_ group="Ext_7/Proxy_and_Registration">No</Use_DNS_SRV_7_>
 <DNS_SRV_Auto_Prefix_7_ group="Ext_7/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_7_>
@@ -1400,8 +1400,8 @@
 <Jitter_Buffer_Adjustment_8_ group="Ext_8/Network_Settings">up and down</Jitter_Buffer_Adjustment_8_>
 
 <!-- Ext_8/SIP_Settings -->	
-<SIP_Transport_8_ group="Ext_8/SIP_Settings">UDP</SIP_Transport_8_>
-<SIP_Port_8_ group="Ext_8/SIP_Settings">5067</SIP_Port_8_>
+<SIP_Transport_8_ group="Ext_8/SIP_Settings">{$sip_transport_8}</SIP_Transport_8_>
+<SIP_Port_8_ group="Ext_8/SIP_Settings">{$sip_port_8}</SIP_Port_8_>
 <SIP_100REL_Enable_8_ group="Ext_8/SIP_Settings">No</SIP_100REL_Enable_8_>
 <EXT_SIP_Port_8_ group="Ext_8/SIP_Settings" />
 <Auth_Resync-Reboot_8_ group="Ext_8/SIP_Settings">Yes</Auth_Resync-Reboot_8_>
@@ -1450,7 +1450,7 @@
 <Use_OB_Proxy_In_Dialog_8_ group="Ext_8/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_8_>
 <Register_8_ group="Ext_8/Proxy_and_Registration">Yes</Register_8_>
 <Make_Call_Without_Reg_8_ group="Ext_8/Proxy_and_Registration">No</Make_Call_Without_Reg_8_>
-<Register_Expires_8_ group="Ext_8/Proxy_and_Registration">180</Register_Expires_8_>
+<Register_Expires_8_ group="Ext_8/Proxy_and_Registration">{$register_expires_8}</Register_Expires_8_>
 <Ans_Call_Without_Reg_8_ group="Ext_8/Proxy_and_Registration">No</Ans_Call_Without_Reg_8_>
 <Use_DNS_SRV_8_ group="Ext_8/Proxy_and_Registration">No</Use_DNS_SRV_8_>
 <DNS_SRV_Auto_Prefix_8_ group="Ext_8/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_8_>
diff --git a/resources/templates/provision/cisco/spa502g/{$mac}.xml b/resources/templates/provision/cisco/spa502g/{$mac}.xml
index 6b3cccd428..dcb2d4bb1a 100644
--- a/resources/templates/provision/cisco/spa502g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa502g/{$mac}.xml
@@ -516,8 +516,8 @@
 <Jitter_Buffer_Adjustment_1_ group="Ext_1/Network_Settings">up and down</Jitter_Buffer_Adjustment_1_>
 
 <!-- Ext_1/SIP_Settings -->
-<SIP_Transport_1_ group="Ext_1/SIP_Settings">UDP</SIP_Transport_1_>
-<SIP_Port_1_ group="Ext_1/SIP_Settings">5060</SIP_Port_1_>
+<SIP_Transport_1_ group="Ext_1/SIP_Settings">{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_ group="Ext_1/SIP_Settings">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ group="Ext_1/SIP_Settings">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ group="Ext_1/SIP_Settings" />
 <Auth_Resync-Reboot_1_ group="Ext_1/SIP_Settings">Yes</Auth_Resync-Reboot_1_>
@@ -566,7 +566,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
diff --git a/resources/templates/provision/cisco/spa509g/{$mac}.xml b/resources/templates/provision/cisco/spa509g/{$mac}.xml
index 8822723073..72910ee9eb 100644
--- a/resources/templates/provision/cisco/spa509g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa509g/{$mac}.xml
@@ -684,8 +684,8 @@
 <Jitter_Buffer_Adjustment_1_ group="Ext_1/Network_Settings">up and down</Jitter_Buffer_Adjustment_1_>
 
 <!-- Ext_1/SIP_Settings -->
-<SIP_Transport_1_ group="Ext_1/SIP_Settings">UDP</SIP_Transport_1_>
-<SIP_Port_1_ group="Ext_1/SIP_Settings">5060</SIP_Port_1_>
+<SIP_Transport_1_ group="Ext_1/SIP_Settings">{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_ group="Ext_1/SIP_Settings">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ group="Ext_1/SIP_Settings">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ group="Ext_1/SIP_Settings" />
 <Auth_Resync-Reboot_1_ group="Ext_1/SIP_Settings">Yes</Auth_Resync-Reboot_1_>
@@ -734,7 +734,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
@@ -805,8 +805,8 @@
 <Jitter_Buffer_Adjustment_2_ group="Ext_2/Network_Settings">up and down</Jitter_Buffer_Adjustment_2_>
 
 <!-- Ext_2/SIP_Settings -->
-<SIP_Transport_2_ group="Ext_2/SIP_Settings">UDP</SIP_Transport_2_>
-<SIP_Port_2_ group="Ext_2/SIP_Settings">5061</SIP_Port_2_>
+<SIP_Transport_2_ group="Ext_2/SIP_Settings">{$sip_transport_2}</SIP_Transport_2_>
+<SIP_Port_2_ group="Ext_2/SIP_Settings">{$sip_port_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_ group="Ext_2/SIP_Settings">No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_ group="Ext_2/SIP_Settings" />
 <Auth_Resync-Reboot_2_ group="Ext_2/SIP_Settings">Yes</Auth_Resync-Reboot_2_>
@@ -855,7 +855,7 @@
 <Use_OB_Proxy_In_Dialog_2_ group="Ext_2/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_2_>
 <Register_2_ group="Ext_2/Proxy_and_Registration">Yes</Register_2_>
 <Make_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Make_Call_Without_Reg_2_>
-<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">180</Register_Expires_2_>
+<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">{$register_expires_2}</Register_Expires_2_>
 <Ans_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Ans_Call_Without_Reg_2_>
 <Use_DNS_SRV_2_ group="Ext_2/Proxy_and_Registration">No</Use_DNS_SRV_2_>
 <DNS_SRV_Auto_Prefix_2_ group="Ext_2/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_2_>
@@ -926,8 +926,8 @@
 <Jitter_Buffer_Adjustment_3_ group="Ext_3/Network_Settings">up and down</Jitter_Buffer_Adjustment_3_>
 
 <!-- Ext_3/SIP_Settings -->
-<SIP_Transport_3_ group="Ext_3/SIP_Settings">UDP</SIP_Transport_3_>
-<SIP_Port_3_ group="Ext_3/SIP_Settings">5062</SIP_Port_3_>
+<SIP_Transport_3_ group="Ext_3/SIP_Settings">{$sip_transport_3}</SIP_Transport_3_>
+<SIP_Port_3_ group="Ext_3/SIP_Settings">{$sip_port_3}</SIP_Port_3_>
 <SIP_100REL_Enable_3_ group="Ext_3/SIP_Settings">No</SIP_100REL_Enable_3_>
 <EXT_SIP_Port_3_ group="Ext_3/SIP_Settings" />
 <Auth_Resync-Reboot_3_ group="Ext_3/SIP_Settings">Yes</Auth_Resync-Reboot_3_>
@@ -976,7 +976,7 @@
 <Use_OB_Proxy_In_Dialog_3_ group="Ext_3/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_3_>
 <Register_3_ group="Ext_3/Proxy_and_Registration">Yes</Register_3_>
 <Make_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Make_Call_Without_Reg_3_>
-<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">180</Register_Expires_3_>
+<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">{$register_expires_3}</Register_Expires_3_>
 <Ans_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Ans_Call_Without_Reg_3_>
 <Use_DNS_SRV_3_ group="Ext_3/Proxy_and_Registration">No</Use_DNS_SRV_3_>
 <DNS_SRV_Auto_Prefix_3_ group="Ext_3/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_3_>
@@ -1047,8 +1047,8 @@
 <Jitter_Buffer_Adjustment_4_ group="Ext_4/Network_Settings">up and down</Jitter_Buffer_Adjustment_4_>
 
 <!-- Ext_4/SIP_Settings -->
-<SIP_Transport_4_ group="Ext_4/SIP_Settings">UDP</SIP_Transport_4_>
-<SIP_Port_4_ group="Ext_4/SIP_Settings">5063</SIP_Port_4_>
+<SIP_Transport_4_ group="Ext_4/SIP_Settings">{$sip_transport_4}</SIP_Transport_4_>
+<SIP_Port_4_ group="Ext_4/SIP_Settings">{$sip_port_4}</SIP_Port_4_>
 <SIP_100REL_Enable_4_ group="Ext_4/SIP_Settings">No</SIP_100REL_Enable_4_>
 <EXT_SIP_Port_4_ group="Ext_4/SIP_Settings" />
 <Auth_Resync-Reboot_4_ group="Ext_4/SIP_Settings">Yes</Auth_Resync-Reboot_4_>
@@ -1097,7 +1097,7 @@
 <Use_OB_Proxy_In_Dialog_4_ group="Ext_4/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_4_>
 <Register_4_ group="Ext_4/Proxy_and_Registration">Yes</Register_4_>
 <Make_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Make_Call_Without_Reg_4_>
-<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">180</Register_Expires_4_>
+<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">{$register_expires_4}</Register_Expires_4_>
 <Ans_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Ans_Call_Without_Reg_4_>
 <Use_DNS_SRV_4_ group="Ext_4/Proxy_and_Registration">No</Use_DNS_SRV_4_>
 <DNS_SRV_Auto_Prefix_4_ group="Ext_4/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_4_>
@@ -1168,8 +1168,8 @@
 <Jitter_Buffer_Adjustment_5_ group="Ext_5/Network_Settings">up and down</Jitter_Buffer_Adjustment_5_>
 
 <!-- Ext_5/SIP_Settings -->
-<SIP_Transport_5_ group="Ext_5/SIP_Settings">UDP</SIP_Transport_5_>
-<SIP_Port_5_ group="Ext_5/SIP_Settings">5064</SIP_Port_5_>
+<SIP_Transport_5_ group="Ext_5/SIP_Settings">{$sip_transport_5}</SIP_Transport_5_>
+<SIP_Port_5_ group="Ext_5/SIP_Settings">{$sip_port_5}</SIP_Port_5_>
 <SIP_100REL_Enable_5_ group="Ext_5/SIP_Settings">No</SIP_100REL_Enable_5_>
 <EXT_SIP_Port_5_ group="Ext_5/SIP_Settings" />
 <Auth_Resync-Reboot_5_ group="Ext_5/SIP_Settings">Yes</Auth_Resync-Reboot_5_>
@@ -1218,7 +1218,7 @@
 <Use_OB_Proxy_In_Dialog_5_ group="Ext_5/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_5_>
 <Register_5_ group="Ext_5/Proxy_and_Registration">Yes</Register_5_>
 <Make_Call_Without_Reg_5_ group="Ext_5/Proxy_and_Registration">No</Make_Call_Without_Reg_5_>
-<Register_Expires_5_ group="Ext_5/Proxy_and_Registration">180</Register_Expires_5_>
+<Register_Expires_5_ group="Ext_5/Proxy_and_Registration">{$register_expires_5}</Register_Expires_5_>
 <Ans_Call_Without_Reg_5_ group="Ext_5/Proxy_and_Registration">No</Ans_Call_Without_Reg_5_>
 <Use_DNS_SRV_5_ group="Ext_5/Proxy_and_Registration">No</Use_DNS_SRV_5_>
 <DNS_SRV_Auto_Prefix_5_ group="Ext_5/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_5_>
@@ -1289,8 +1289,8 @@
 <Jitter_Buffer_Adjustment_6_ group="Ext_6/Network_Settings">up and down</Jitter_Buffer_Adjustment_6_>
 
 <!-- Ext_6/SIP_Settings -->
-<SIP_Transport_6_ group="Ext_6/SIP_Settings">UDP</SIP_Transport_6_>
-<SIP_Port_6_ group="Ext_6/SIP_Settings">5065</SIP_Port_6_>
+<SIP_Transport_6_ group="Ext_6/SIP_Settings">{$sip_transport_6}</SIP_Transport_6_>
+<SIP_Port_6_ group="Ext_6/SIP_Settings">{$sip_port_6}</SIP_Port_6_>
 <SIP_100REL_Enable_6_ group="Ext_6/SIP_Settings">No</SIP_100REL_Enable_6_>
 <EXT_SIP_Port_6_ group="Ext_6/SIP_Settings" />
 <Auth_Resync-Reboot_6_ group="Ext_6/SIP_Settings">Yes</Auth_Resync-Reboot_6_>
@@ -1339,7 +1339,7 @@
 <Use_OB_Proxy_In_Dialog_6_ group="Ext_6/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_6_>
 <Register_6_ group="Ext_6/Proxy_and_Registration">Yes</Register_6_>
 <Make_Call_Without_Reg_6_ group="Ext_6/Proxy_and_Registration">No</Make_Call_Without_Reg_6_>
-<Register_Expires_6_ group="Ext_6/Proxy_and_Registration">180</Register_Expires_6_>
+<Register_Expires_6_ group="Ext_6/Proxy_and_Registration">{$register_expires_6}</Register_Expires_6_>
 <Ans_Call_Without_Reg_6_ group="Ext_6/Proxy_and_Registration">No</Ans_Call_Without_Reg_6_>
 <Use_DNS_SRV_6_ group="Ext_6/Proxy_and_Registration">No</Use_DNS_SRV_6_>
 <DNS_SRV_Auto_Prefix_6_ group="Ext_6/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_6_>
@@ -1410,8 +1410,8 @@
 <Jitter_Buffer_Adjustment_7_ group="Ext_7/Network_Settings">up and down</Jitter_Buffer_Adjustment_7_>
 
 <!-- Ext_7/SIP_Settings -->
-<SIP_Transport_7_ group="Ext_7/SIP_Settings">UDP</SIP_Transport_7_>
-<SIP_Port_7_ group="Ext_7/SIP_Settings">5066</SIP_Port_7_>
+<SIP_Transport_7_ group="Ext_7/SIP_Settings">{$sip_transport_7}</SIP_Transport_7_>
+<SIP_Port_7_ group="Ext_7/SIP_Settings">{$sip_port_7}</SIP_Port_7_>
 <SIP_100REL_Enable_7_ group="Ext_7/SIP_Settings">No</SIP_100REL_Enable_7_>
 <EXT_SIP_Port_7_ group="Ext_7/SIP_Settings" />
 <Auth_Resync-Reboot_7_ group="Ext_7/SIP_Settings">Yes</Auth_Resync-Reboot_7_>
@@ -1460,7 +1460,7 @@
 <Use_OB_Proxy_In_Dialog_7_ group="Ext_7/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_7_>
 <Register_7_ group="Ext_7/Proxy_and_Registration">Yes</Register_7_>
 <Make_Call_Without_Reg_7_ group="Ext_7/Proxy_and_Registration">No</Make_Call_Without_Reg_7_>
-<Register_Expires_7_ group="Ext_7/Proxy_and_Registration">180</Register_Expires_7_>
+<Register_Expires_7_ group="Ext_7/Proxy_and_Registration">{$register_expires_7}</Register_Expires_7_>
 <Ans_Call_Without_Reg_7_ group="Ext_7/Proxy_and_Registration">No</Ans_Call_Without_Reg_7_>
 <Use_DNS_SRV_7_ group="Ext_7/Proxy_and_Registration">No</Use_DNS_SRV_7_>
 <DNS_SRV_Auto_Prefix_7_ group="Ext_7/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_7_>
@@ -1531,8 +1531,8 @@
 <Jitter_Buffer_Adjustment_8_ group="Ext_8/Network_Settings">up and down</Jitter_Buffer_Adjustment_8_>
 
 <!-- Ext_8/SIP_Settings -->
-<SIP_Transport_8_ group="Ext_8/SIP_Settings">UDP</SIP_Transport_8_>
-<SIP_Port_8_ group="Ext_8/SIP_Settings">5067</SIP_Port_8_>
+<SIP_Transport_8_ group="Ext_8/SIP_Settings">{$sip_transport_8}</SIP_Transport_8_>
+<SIP_Port_8_ group="Ext_8/SIP_Settings">{$sip_port_8}</SIP_Port_8_>
 <SIP_100REL_Enable_8_ group="Ext_8/SIP_Settings">No</SIP_100REL_Enable_8_>
 <EXT_SIP_Port_8_ group="Ext_8/SIP_Settings" />
 <Auth_Resync-Reboot_8_ group="Ext_8/SIP_Settings">Yes</Auth_Resync-Reboot_8_>
@@ -1581,7 +1581,7 @@
 <Use_OB_Proxy_In_Dialog_8_ group="Ext_8/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_8_>
 <Register_8_ group="Ext_8/Proxy_and_Registration">Yes</Register_8_>
 <Make_Call_Without_Reg_8_ group="Ext_8/Proxy_and_Registration">No</Make_Call_Without_Reg_8_>
-<Register_Expires_8_ group="Ext_8/Proxy_and_Registration">180</Register_Expires_8_>
+<Register_Expires_8_ group="Ext_8/Proxy_and_Registration">{$register_expires_8}</Register_Expires_8_>
 <Ans_Call_Without_Reg_8_ group="Ext_8/Proxy_and_Registration">No</Ans_Call_Without_Reg_8_>
 <Use_DNS_SRV_8_ group="Ext_8/Proxy_and_Registration">No</Use_DNS_SRV_8_>
 <DNS_SRV_Auto_Prefix_8_ group="Ext_8/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_8_>
@@ -1652,8 +1652,8 @@
 <Jitter_Buffer_Adjustment_9_ group="Ext_9/Network_Settings">up and down</Jitter_Buffer_Adjustment_9_>
 
 <!-- Ext_9/SIP_Settings -->
-<SIP_Transport_9_ group="Ext_9/SIP_Settings">UDP</SIP_Transport_9_>
-<SIP_Port_9_ group="Ext_9/SIP_Settings">5068</SIP_Port_9_>
+<SIP_Transport_9_ group="Ext_9/SIP_Settings">{$sip_transport_9}</SIP_Transport_9_>
+<SIP_Port_9_ group="Ext_9/SIP_Settings">{$sip_port_9}</SIP_Port_9_>
 <SIP_100REL_Enable_9_ group="Ext_9/SIP_Settings">No</SIP_100REL_Enable_9_>
 <EXT_SIP_Port_9_ group="Ext_9/SIP_Settings" />
 <Auth_Resync-Reboot_9_ group="Ext_9/SIP_Settings">Yes</Auth_Resync-Reboot_9_>
@@ -1702,7 +1702,7 @@
 <Use_OB_Proxy_In_Dialog_9_ group="Ext_9/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_9_>
 <Register_9_ group="Ext_9/Proxy_and_Registration">Yes</Register_9_>
 <Make_Call_Without_Reg_9_ group="Ext_9/Proxy_and_Registration">No</Make_Call_Without_Reg_9_>
-<Register_Expires_9_ group="Ext_9/Proxy_and_Registration">180</Register_Expires_9_>
+<Register_Expires_9_ group="Ext_9/Proxy_and_Registration">{$register_expires_9}</Register_Expires_9_>
 <Ans_Call_Without_Reg_9_ group="Ext_9/Proxy_and_Registration">No</Ans_Call_Without_Reg_9_>
 <Use_DNS_SRV_9_ group="Ext_9/Proxy_and_Registration">No</Use_DNS_SRV_9_>
 <DNS_SRV_Auto_Prefix_9_ group="Ext_9/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_9_>
@@ -1773,8 +1773,8 @@
 <Jitter_Buffer_Adjustment_10_ group="Ext_10/Network_Settings">up and down</Jitter_Buffer_Adjustment_10_>
 
 <!-- Ext_10/SIP_Settings -->
-<SIP_Transport_10_ group="Ext_10/SIP_Settings">UDP</SIP_Transport_10_>
-<SIP_Port_10_ group="Ext_10/SIP_Settings">5069</SIP_Port_10_>
+<SIP_Transport_10_ group="Ext_10/SIP_Settings">{$sip_transport_10}</SIP_Transport_10_>
+<SIP_Port_10_ group="Ext_10/SIP_Settings">{$sip_port_10}</SIP_Port_10_>
 <SIP_100REL_Enable_10_ group="Ext_10/SIP_Settings">No</SIP_100REL_Enable_10_>
 <EXT_SIP_Port_10_ group="Ext_10/SIP_Settings" />
 <Auth_Resync-Reboot_10_ group="Ext_10/SIP_Settings">Yes</Auth_Resync-Reboot_10_>
@@ -1823,7 +1823,7 @@
 <Use_OB_Proxy_In_Dialog_10_ group="Ext_10/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_10_>
 <Register_10_ group="Ext_10/Proxy_and_Registration">Yes</Register_10_>
 <Make_Call_Without_Reg_10_ group="Ext_10/Proxy_and_Registration">No</Make_Call_Without_Reg_10_>
-<Register_Expires_10_ group="Ext_10/Proxy_and_Registration">180</Register_Expires_10_>
+<Register_Expires_10_ group="Ext_10/Proxy_and_Registration">{$register_expires_10}</Register_Expires_10_>
 <Ans_Call_Without_Reg_10_ group="Ext_10/Proxy_and_Registration">No</Ans_Call_Without_Reg_10_>
 <Use_DNS_SRV_10_ group="Ext_10/Proxy_and_Registration">No</Use_DNS_SRV_10_>
 <DNS_SRV_Auto_Prefix_10_ group="Ext_10/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_10_>
@@ -1894,8 +1894,8 @@
 <Jitter_Buffer_Adjustment_11_ group="Ext_11/Network_Settings">up and down</Jitter_Buffer_Adjustment_11_>
 
 <!-- Ext_11/SIP_Settings -->
-<SIP_Transport_11_ group="Ext_11/SIP_Settings">UDP</SIP_Transport_11_>
-<SIP_Port_11_ group="Ext_11/SIP_Settings">5070</SIP_Port_11_>
+<SIP_Transport_11_ group="Ext_11/SIP_Settings">{$sip_transport_11}</SIP_Transport_11_>
+<SIP_Port_11_ group="Ext_11/SIP_Settings">{$sip_port_11}</SIP_Port_11_>
 <SIP_100REL_Enable_11_ group="Ext_11/SIP_Settings">No</SIP_100REL_Enable_11_>
 <EXT_SIP_Port_11_ group="Ext_11/SIP_Settings" />
 <Auth_Resync-Reboot_11_ group="Ext_11/SIP_Settings">Yes</Auth_Resync-Reboot_11_>
@@ -1944,7 +1944,7 @@
 <Use_OB_Proxy_In_Dialog_11_ group="Ext_11/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_11_>
 <Register_11_ group="Ext_11/Proxy_and_Registration">Yes</Register_11_>
 <Make_Call_Without_Reg_11_ group="Ext_11/Proxy_and_Registration">No</Make_Call_Without_Reg_11_>
-<Register_Expires_11_ group="Ext_11/Proxy_and_Registration">180</Register_Expires_11_>
+<Register_Expires_11_ group="Ext_11/Proxy_and_Registration">{$register_expires_11}</Register_Expires_11_>
 <Ans_Call_Without_Reg_11_ group="Ext_11/Proxy_and_Registration">No</Ans_Call_Without_Reg_11_>
 <Use_DNS_SRV_11_ group="Ext_11/Proxy_and_Registration">No</Use_DNS_SRV_11_>
 <DNS_SRV_Auto_Prefix_11_ group="Ext_11/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_11_>
@@ -2015,8 +2015,8 @@
 <Jitter_Buffer_Adjustment_12_ group="Ext_12/Network_Settings">up and down</Jitter_Buffer_Adjustment_12_>
 
 <!-- Ext_12/SIP_Settings -->
-<SIP_Transport_12_ group="Ext_12/SIP_Settings">UDP</SIP_Transport_12_>
-<SIP_Port_12_ group="Ext_12/SIP_Settings">5071</SIP_Port_12_>
+<SIP_Transport_12_ group="Ext_12/SIP_Settings">{$sip_transport_12}</SIP_Transport_12_>
+<SIP_Port_12_ group="Ext_12/SIP_Settings">{$sip_port_12}</SIP_Port_12_>
 <SIP_100REL_Enable_12_ group="Ext_12/SIP_Settings">No</SIP_100REL_Enable_12_>
 <EXT_SIP_Port_12_ group="Ext_12/SIP_Settings" />
 <Auth_Resync-Reboot_12_ group="Ext_12/SIP_Settings">Yes</Auth_Resync-Reboot_12_>
@@ -2065,7 +2065,7 @@
 <Use_OB_Proxy_In_Dialog_12_ group="Ext_12/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_12_>
 <Register_12_ group="Ext_12/Proxy_and_Registration">Yes</Register_12_>
 <Make_Call_Without_Reg_12_ group="Ext_12/Proxy_and_Registration">No</Make_Call_Without_Reg_12_>
-<Register_Expires_12_ group="Ext_12/Proxy_and_Registration">180</Register_Expires_12_>
+<Register_Expires_12_ group="Ext_12/Proxy_and_Registration">{$register_expires_12}</Register_Expires_12_>
 <Ans_Call_Without_Reg_12_ group="Ext_12/Proxy_and_Registration">No</Ans_Call_Without_Reg_12_>
 <Use_DNS_SRV_12_ group="Ext_12/Proxy_and_Registration">No</Use_DNS_SRV_12_>
 <DNS_SRV_Auto_Prefix_12_ group="Ext_12/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_12_>
diff --git a/resources/templates/provision/cisco/spa512g/{$mac}.xml b/resources/templates/provision/cisco/spa512g/{$mac}.xml
index 6bb47e25ce..29ba5fd9e6 100644
--- a/resources/templates/provision/cisco/spa512g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa512g/{$mac}.xml
@@ -516,8 +516,8 @@
 <Jitter_Buffer_Adjustment_1_ group="Ext_1/Network_Settings">up and down</Jitter_Buffer_Adjustment_1_>
 
 <!-- Ext_1/SIP_Settings -->
-<SIP_Transport_1_ group="Ext_1/SIP_Settings">UDP</SIP_Transport_1_>
-<SIP_Port_1_ group="Ext_1/SIP_Settings">5060</SIP_Port_1_>
+<SIP_Transport_1_ group="Ext_1/SIP_Settings">{$sip_transport_1}</SIP_Transport_1_>
+<SIP_Port_1_ group="Ext_1/SIP_Settings">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ group="Ext_1/SIP_Settings">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ group="Ext_1/SIP_Settings" />
 <Auth_Resync-Reboot_1_ group="Ext_1/SIP_Settings">Yes</Auth_Resync-Reboot_1_>
@@ -566,7 +566,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
diff --git a/resources/templates/provision/cisco/spa514g/{$mac}.xml b/resources/templates/provision/cisco/spa514g/{$mac}.xml
index 349bc60c80..34a8814cb3 100644
--- a/resources/templates/provision/cisco/spa514g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa514g/{$mac}.xml
@@ -299,7 +299,7 @@
 <Use_OB_Proxy_In_Dialog_1_ group="Ext_1/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ group="Ext_1/Proxy_and_Registration">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">180</Register_Expires_1_>
+<Register_Expires_1_ group="Ext_1/Proxy_and_Registration">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ group="Ext_1/Proxy_and_Registration">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ group="Ext_1/Proxy_and_Registration">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ group="Ext_1/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_1_>
@@ -370,7 +370,7 @@
 <Jitter_Buffer_Adjustment_2_ group="Ext_2/Network_Settings">up and down</Jitter_Buffer_Adjustment_2_>
 
 <!-- Ext_2/SIP_Settings -->
-<SIP_Transport_2_ group="Ext_2/SIP_Settings">{$sip_transport_1}</SIP_Transport_2_>
+<SIP_Transport_2_ group="Ext_2/SIP_Settings">{$sip_transport_2}</SIP_Transport_2_>
 <SIP_Port_2_ group="Ext_2/SIP_Settings">{$sip_port_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_ group="Ext_2/SIP_Settings">No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_ group="Ext_2/SIP_Settings" />
@@ -420,7 +420,7 @@
 <Use_OB_Proxy_In_Dialog_2_ group="Ext_2/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_2_>
 <Register_2_ group="Ext_2/Proxy_and_Registration">Yes</Register_2_>
 <Make_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Make_Call_Without_Reg_2_>
-<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">180</Register_Expires_2_>
+<Register_Expires_2_ group="Ext_2/Proxy_and_Registration">{$register_expires_2}</Register_Expires_2_>
 <Ans_Call_Without_Reg_2_ group="Ext_2/Proxy_and_Registration">No</Ans_Call_Without_Reg_2_>
 <Use_DNS_SRV_2_ group="Ext_2/Proxy_and_Registration">No</Use_DNS_SRV_2_>
 <DNS_SRV_Auto_Prefix_2_ group="Ext_2/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_2_>
@@ -489,7 +489,7 @@
 <RTP_CoS_Value_3_ group="Ext_3/Network_Settings">6</RTP_CoS_Value_3_>
 <Network_Jitter_Level_3_ group="Ext_3/Network_Settings">high</Network_Jitter_Level_3_>
 <Jitter_Buffer_Adjustment_3_ group="Ext_3/Network_Settings">up and down</Jitter_Buffer_Adjustment_3_>
-<SIP_Transport_3_ group="Ext_3/SIP_Settings">{$sip_transport_1}</SIP_Transport_3_>
+<SIP_Transport_3_ group="Ext_3/SIP_Settings">{$sip_transport_3}</SIP_Transport_3_>
 <SIP_Port_3_ group="Ext_3/SIP_Settings">{$sip_port_3}</SIP_Port_3_>
 <SIP_100REL_Enable_3_ group="Ext_3/SIP_Settings">No</SIP_100REL_Enable_3_>
 <EXT_SIP_Port_3_ group="Ext_3/SIP_Settings" />
@@ -539,7 +539,7 @@
 <Use_OB_Proxy_In_Dialog_3_ group="Ext_3/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_3_>
 <Register_3_ group="Ext_3/Proxy_and_Registration">Yes</Register_3_>
 <Make_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Make_Call_Without_Reg_3_>
-<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">180</Register_Expires_3_>
+<Register_Expires_3_ group="Ext_3/Proxy_and_Registration">{$register_expires_3}</Register_Expires_3_>
 <Ans_Call_Without_Reg_3_ group="Ext_3/Proxy_and_Registration">No</Ans_Call_Without_Reg_3_>
 <Use_DNS_SRV_3_ group="Ext_3/Proxy_and_Registration">No</Use_DNS_SRV_3_>
 <DNS_SRV_Auto_Prefix_3_ group="Ext_3/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_3_>
@@ -608,7 +608,7 @@
 <RTP_CoS_Value_4_ group="Ext_4/Network_Settings">6</RTP_CoS_Value_4_>
 <Network_Jitter_Level_4_ group="Ext_4/Network_Settings">high</Network_Jitter_Level_4_>
 <Jitter_Buffer_Adjustment_4_ group="Ext_4/Network_Settings">up and down</Jitter_Buffer_Adjustment_4_>
-<SIP_Transport_4_ group="Ext_4/SIP_Settings">{$sip_transport_1}</SIP_Transport_4_>
+<SIP_Transport_4_ group="Ext_4/SIP_Settings">{$sip_transport_4}</SIP_Transport_4_>
 <SIP_Port_4_ group="Ext_4/SIP_Settings">{$sip_port_4}</SIP_Port_4_>
 <SIP_100REL_Enable_4_ group="Ext_4/SIP_Settings">No</SIP_100REL_Enable_4_>
 <EXT_SIP_Port_4_ group="Ext_4/SIP_Settings" />
@@ -658,7 +658,7 @@
 <Use_OB_Proxy_In_Dialog_4_ group="Ext_4/Proxy_and_Registration">Yes</Use_OB_Proxy_In_Dialog_4_>
 <Register_4_ group="Ext_4/Proxy_and_Registration">Yes</Register_4_>
 <Make_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Make_Call_Without_Reg_4_>
-<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">180</Register_Expires_4_>
+<Register_Expires_4_ group="Ext_4/Proxy_and_Registration">{$register_expires_4}</Register_Expires_4_>
 <Ans_Call_Without_Reg_4_ group="Ext_4/Proxy_and_Registration">No</Ans_Call_Without_Reg_4_>
 <Use_DNS_SRV_4_ group="Ext_4/Proxy_and_Registration">No</Use_DNS_SRV_4_>
 <DNS_SRV_Auto_Prefix_4_ group="Ext_4/Proxy_and_Registration">No</DNS_SRV_Auto_Prefix_4_>
diff --git a/resources/templates/provision/cisco/spa525g/{$mac}.xml b/resources/templates/provision/cisco/spa525g/{$mac}.xml
index 85f77ec20c..bacdb1c38d 100644
--- a/resources/templates/provision/cisco/spa525g/{$mac}.xml
+++ b/resources/templates/provision/cisco/spa525g/{$mac}.xml
@@ -246,8 +246,8 @@
 <Jitter_Buffer_Adjustment_1_ ua="na">up and down</Jitter_Buffer_Adjustment_1_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_1_ ua="na">UDP</SIP_Transport_1_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_1_ ua="na">5060</SIP_Port_1_>
+<SIP_Transport_1_ ua="na">{$sip_transport_1}</SIP_Transport_1_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_1_ ua="na">{$sip_port_1}</SIP_Port_1_>
 <SIP_100REL_Enable_1_ ua="na">No</SIP_100REL_Enable_1_>
 <EXT_SIP_Port_1_ ua="na"></EXT_SIP_Port_1_>
 <Auth_Resync-Reboot_1_ ua="na">Yes</Auth_Resync-Reboot_1_>
@@ -290,7 +290,7 @@
 <Use_OB_Proxy_In_Dialog_1_ ua="na">Yes</Use_OB_Proxy_In_Dialog_1_>
 <Register_1_ ua="na">Yes</Register_1_>
 <Make_Call_Without_Reg_1_ ua="na">No</Make_Call_Without_Reg_1_>
-<Register_Expires_1_ ua="na">3600</Register_Expires_1_>
+<Register_Expires_1_ ua="na">{$register_expires_1}</Register_Expires_1_>
 <Ans_Call_Without_Reg_1_ ua="na">No</Ans_Call_Without_Reg_1_>
 <Use_DNS_SRV_1_ ua="na">No</Use_DNS_SRV_1_>
 <DNS_SRV_Auto_Prefix_1_ ua="na">No</DNS_SRV_Auto_Prefix_1_>
@@ -358,8 +358,8 @@
 <Jitter_Buffer_Adjustment_2_ ua="na">up and down</Jitter_Buffer_Adjustment_2_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_2_ ua="na">UDP</SIP_Transport_2_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_2_ ua="na">5061</SIP_Port_2_>
+<SIP_Transport_2_ ua="na">{$sip_transport_2}</SIP_Transport_2_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_2_ ua="na">{$sip_port_2}</SIP_Port_2_>
 <SIP_100REL_Enable_2_ ua="na">No</SIP_100REL_Enable_2_>
 <EXT_SIP_Port_2_ ua="na"></EXT_SIP_Port_2_>
 <Auth_Resync-Reboot_2_ ua="na">Yes</Auth_Resync-Reboot_2_>
@@ -402,7 +402,7 @@
 <Use_OB_Proxy_In_Dialog_2_ ua="na">Yes</Use_OB_Proxy_In_Dialog_2_>
 <Register_2_ ua="na">Yes</Register_2_>
 <Make_Call_Without_Reg_2_ ua="na">No</Make_Call_Without_Reg_2_>
-<Register_Expires_2_ ua="na">3600</Register_Expires_2_>
+<Register_Expires_2_ ua="na">{$register_expires_2}</Register_Expires_2_>
 <Ans_Call_Without_Reg_2_ ua="na">No</Ans_Call_Without_Reg_2_>
 <Use_DNS_SRV_2_ ua="na">No</Use_DNS_SRV_2_>
 <DNS_SRV_Auto_Prefix_2_ ua="na">No</DNS_SRV_Auto_Prefix_2_>
@@ -470,8 +470,8 @@
 <Jitter_Buffer_Adjustment_3_ ua="na">up and down</Jitter_Buffer_Adjustment_3_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_3_ ua="na">UDP</SIP_Transport_3_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_3_ ua="na">5062</SIP_Port_3_>
+<SIP_Transport_3_ ua="na">{$sip_transport_3}</SIP_Transport_3_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_3_ ua="na">{$sip_port_3}</SIP_Port_3_>
 <SIP_100REL_Enable_3_ ua="na">No</SIP_100REL_Enable_3_>
 <EXT_SIP_Port_3_ ua="na"></EXT_SIP_Port_3_>
 <Auth_Resync-Reboot_3_ ua="na">Yes</Auth_Resync-Reboot_3_>
@@ -514,7 +514,7 @@
 <Use_OB_Proxy_In_Dialog_3_ ua="na">Yes</Use_OB_Proxy_In_Dialog_3_>
 <Register_3_ ua="na">Yes</Register_3_>
 <Make_Call_Without_Reg_3_ ua="na">No</Make_Call_Without_Reg_3_>
-<Register_Expires_3_ ua="na">3600</Register_Expires_3_>
+<Register_Expires_3_ ua="na">{$register_expires_3}</Register_Expires_3_>
 <Ans_Call_Without_Reg_3_ ua="na">No</Ans_Call_Without_Reg_3_>
 <Use_DNS_SRV_3_ ua="na">No</Use_DNS_SRV_3_>
 <DNS_SRV_Auto_Prefix_3_ ua="na">No</DNS_SRV_Auto_Prefix_3_>
@@ -582,8 +582,8 @@
 <Jitter_Buffer_Adjustment_4_ ua="na">up and down</Jitter_Buffer_Adjustment_4_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_4_ ua="na">UDP</SIP_Transport_4_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_4_ ua="na">5063</SIP_Port_4_>
+<SIP_Transport_4_ ua="na">{$sip_transport_4}</SIP_Transport_4_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_4_ ua="na">{$sip_port_4}</SIP_Port_4_>
 <SIP_100REL_Enable_4_ ua="na">No</SIP_100REL_Enable_4_>
 <EXT_SIP_Port_4_ ua="na"></EXT_SIP_Port_4_>
 <Auth_Resync-Reboot_4_ ua="na">Yes</Auth_Resync-Reboot_4_>
@@ -626,7 +626,7 @@
 <Use_OB_Proxy_In_Dialog_4_ ua="na">Yes</Use_OB_Proxy_In_Dialog_4_>
 <Register_4_ ua="na">Yes</Register_4_>
 <Make_Call_Without_Reg_4_ ua="na">No</Make_Call_Without_Reg_4_>
-<Register_Expires_4_ ua="na">3600</Register_Expires_4_>
+<Register_Expires_4_ ua="na">{$register_expires_4}</Register_Expires_4_>
 <Ans_Call_Without_Reg_4_ ua="na">No</Ans_Call_Without_Reg_4_>
 <Use_DNS_SRV_4_ ua="na">No</Use_DNS_SRV_4_>
 <DNS_SRV_Auto_Prefix_4_ ua="na">No</DNS_SRV_Auto_Prefix_4_>
@@ -694,8 +694,8 @@
 <Jitter_Buffer_Adjustment_5_ ua="na">up and down</Jitter_Buffer_Adjustment_5_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_5_ ua="na">UDP</SIP_Transport_5_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_5_ ua="na">5064</SIP_Port_5_>
+<SIP_Transport_5_ ua="na">{$sip_transport_5}</SIP_Transport_5_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_5_ ua="na">{$sip_port_5}</SIP_Port_5_>
 <SIP_100REL_Enable_5_ ua="na">No</SIP_100REL_Enable_5_>
 <EXT_SIP_Port_5_ ua="na"></EXT_SIP_Port_5_>
 <Auth_Resync-Reboot_5_ ua="na">Yes</Auth_Resync-Reboot_5_>
@@ -738,7 +738,7 @@
 <Use_OB_Proxy_In_Dialog_5_ ua="na">Yes</Use_OB_Proxy_In_Dialog_5_>
 <Register_5_ ua="na">Yes</Register_5_>
 <Make_Call_Without_Reg_5_ ua="na">No</Make_Call_Without_Reg_5_>
-<Register_Expires_5_ ua="na">3600</Register_Expires_5_>
+<Register_Expires_5_ ua="na">{$register_expires_5}</Register_Expires_5_>
 <Ans_Call_Without_Reg_5_ ua="na">No</Ans_Call_Without_Reg_5_>
 <Use_DNS_SRV_5_ ua="na">No</Use_DNS_SRV_5_>
 <DNS_SRV_Auto_Prefix_5_ ua="na">No</DNS_SRV_Auto_Prefix_5_>
@@ -806,8 +806,8 @@
 <Jitter_Buffer_Adjustment_6_ ua="na">up and down</Jitter_Buffer_Adjustment_6_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_6_ ua="na">UDP</SIP_Transport_6_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_6_ ua="na">5065</SIP_Port_6_>
+<SIP_Transport_6_ ua="na">{$sip_transport_6}</SIP_Transport_6_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_6_ ua="na">{$sip_port_6}</SIP_Port_6_>
 <SIP_100REL_Enable_6_ ua="na">No</SIP_100REL_Enable_6_>
 <EXT_SIP_Port_6_ ua="na"></EXT_SIP_Port_6_>
 <Auth_Resync-Reboot_6_ ua="na">Yes</Auth_Resync-Reboot_6_>
@@ -850,7 +850,7 @@
 <Use_OB_Proxy_In_Dialog_6_ ua="na">Yes</Use_OB_Proxy_In_Dialog_6_>
 <Register_6_ ua="na">Yes</Register_6_>
 <Make_Call_Without_Reg_6_ ua="na">No</Make_Call_Without_Reg_6_>
-<Register_Expires_6_ ua="na">3600</Register_Expires_6_>
+<Register_Expires_6_ ua="na">{$register_expires_6}</Register_Expires_6_>
 <Ans_Call_Without_Reg_6_ ua="na">No</Ans_Call_Without_Reg_6_>
 <Use_DNS_SRV_6_ ua="na">No</Use_DNS_SRV_6_>
 <DNS_SRV_Auto_Prefix_6_ ua="na">No</DNS_SRV_Auto_Prefix_6_>
@@ -918,8 +918,8 @@
 <Jitter_Buffer_Adjustment_7_ ua="na">up and down</Jitter_Buffer_Adjustment_7_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_7_ ua="na">UDP</SIP_Transport_7_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_7_ ua="na">5066</SIP_Port_7_>
+<SIP_Transport_7_ ua="na">{$sip_transport_7}</SIP_Transport_7_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_7_ ua="na">{$sip_port_7}</SIP_Port_7_>
 <SIP_100REL_Enable_7_ ua="na">No</SIP_100REL_Enable_7_>
 <EXT_SIP_Port_7_ ua="na"></EXT_SIP_Port_7_>
 <Auth_Resync-Reboot_7_ ua="na">Yes</Auth_Resync-Reboot_7_>
@@ -962,7 +962,7 @@
 <Use_OB_Proxy_In_Dialog_7_ ua="na">Yes</Use_OB_Proxy_In_Dialog_7_>
 <Register_7_ ua="na">Yes</Register_7_>
 <Make_Call_Without_Reg_7_ ua="na">No</Make_Call_Without_Reg_7_>
-<Register_Expires_7_ ua="na">3600</Register_Expires_7_>
+<Register_Expires_7_ ua="na">{$register_expires_7}</Register_Expires_7_>
 <Ans_Call_Without_Reg_7_ ua="na">No</Ans_Call_Without_Reg_7_>
 <Use_DNS_SRV_7_ ua="na">No</Use_DNS_SRV_7_>
 <DNS_SRV_Auto_Prefix_7_ ua="na">No</DNS_SRV_Auto_Prefix_7_>
@@ -1030,8 +1030,8 @@
 <Jitter_Buffer_Adjustment_8_ ua="na">up and down</Jitter_Buffer_Adjustment_8_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_8_ ua="na">UDP</SIP_Transport_8_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_8_ ua="na">5067</SIP_Port_8_>
+<SIP_Transport_8_ ua="na">{$sip_transport_8}</SIP_Transport_8_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_8_ ua="na">{$sip_port_8}</SIP_Port_8_>
 <SIP_100REL_Enable_8_ ua="na">No</SIP_100REL_Enable_8_>
 <EXT_SIP_Port_8_ ua="na"></EXT_SIP_Port_8_>
 <Auth_Resync-Reboot_8_ ua="na">Yes</Auth_Resync-Reboot_8_>
@@ -1074,7 +1074,7 @@
 <Use_OB_Proxy_In_Dialog_8_ ua="na">Yes</Use_OB_Proxy_In_Dialog_8_>
 <Register_8_ ua="na">Yes</Register_8_>
 <Make_Call_Without_Reg_8_ ua="na">No</Make_Call_Without_Reg_8_>
-<Register_Expires_8_ ua="na">3600</Register_Expires_8_>
+<Register_Expires_8_ ua="na">{$register_expires_8}</Register_Expires_8_>
 <Ans_Call_Without_Reg_8_ ua="na">No</Ans_Call_Without_Reg_8_>
 <Use_DNS_SRV_8_ ua="na">No</Use_DNS_SRV_8_>
 <DNS_SRV_Auto_Prefix_8_ ua="na">No</DNS_SRV_Auto_Prefix_8_>
@@ -1142,8 +1142,8 @@
 <Jitter_Buffer_Adjustment_9_ ua="na">up and down</Jitter_Buffer_Adjustment_9_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_9_ ua="na">UDP</SIP_Transport_9_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_9_ ua="na">5068</SIP_Port_9_>
+<SIP_Transport_9_ ua="na">{$sip_transport_9}</SIP_Transport_9_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_9_ ua="na">{$sip_port_9}</SIP_Port_9_>
 <SIP_100REL_Enable_9_ ua="na">No</SIP_100REL_Enable_9_>
 <EXT_SIP_Port_9_ ua="na"></EXT_SIP_Port_9_>
 <Auth_Resync-Reboot_9_ ua="na">Yes</Auth_Resync-Reboot_9_>
@@ -1186,7 +1186,7 @@
 <Use_OB_Proxy_In_Dialog_9_ ua="na">Yes</Use_OB_Proxy_In_Dialog_9_>
 <Register_9_ ua="na">Yes</Register_9_>
 <Make_Call_Without_Reg_9_ ua="na">No</Make_Call_Without_Reg_9_>
-<Register_Expires_9_ ua="na">3600</Register_Expires_9_>
+<Register_Expires_9_ ua="na">{$register_expires_9}</Register_Expires_9_>
 <Ans_Call_Without_Reg_9_ ua="na">No</Ans_Call_Without_Reg_9_>
 <Use_DNS_SRV_9_ ua="na">No</Use_DNS_SRV_9_>
 <DNS_SRV_Auto_Prefix_9_ ua="na">No</DNS_SRV_Auto_Prefix_9_>
@@ -1254,8 +1254,8 @@
 <Jitter_Buffer_Adjustment_10_ ua="na">up and down</Jitter_Buffer_Adjustment_10_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_10_ ua="na">UDP</SIP_Transport_10_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_10_ ua="na">5069</SIP_Port_10_>
+<SIP_Transport_10_ ua="na">{$sip_transport_10}</SIP_Transport_10_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_10_ ua="na">{$sip_port_10}</SIP_Port_10_>
 <SIP_100REL_Enable_10_ ua="na">No</SIP_100REL_Enable_10_>
 <EXT_SIP_Port_10_ ua="na"></EXT_SIP_Port_10_>
 <Auth_Resync-Reboot_10_ ua="na">Yes</Auth_Resync-Reboot_10_>
@@ -1298,7 +1298,7 @@
 <Use_OB_Proxy_In_Dialog_10_ ua="na">Yes</Use_OB_Proxy_In_Dialog_10_>
 <Register_10_ ua="na">Yes</Register_10_>
 <Make_Call_Without_Reg_10_ ua="na">No</Make_Call_Without_Reg_10_>
-<Register_Expires_10_ ua="na">3600</Register_Expires_10_>
+<Register_Expires_10_ ua="na">{$register_expires_10}</Register_Expires_10_>
 <Ans_Call_Without_Reg_10_ ua="na">No</Ans_Call_Without_Reg_10_>
 <Use_DNS_SRV_10_ ua="na">No</Use_DNS_SRV_10_>
 <DNS_SRV_Auto_Prefix_10_ ua="na">No</DNS_SRV_Auto_Prefix_10_>
@@ -1366,8 +1366,8 @@
 <Jitter_Buffer_Adjustment_11_ ua="na">up and down</Jitter_Buffer_Adjustment_11_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_11_ ua="na">UDP</SIP_Transport_11_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_11_ ua="na">5070</SIP_Port_11_>
+<SIP_Transport_11_ ua="na">{$sip_transport_11}</SIP_Transport_11_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_11_ ua="na">{$sip_port_11}</SIP_Port_11_>
 <SIP_100REL_Enable_11_ ua="na">No</SIP_100REL_Enable_11_>
 <EXT_SIP_Port_11_ ua="na"></EXT_SIP_Port_11_>
 <Auth_Resync-Reboot_11_ ua="na">Yes</Auth_Resync-Reboot_11_>
@@ -1410,7 +1410,7 @@
 <Use_OB_Proxy_In_Dialog_11_ ua="na">Yes</Use_OB_Proxy_In_Dialog_11_>
 <Register_11_ ua="na">Yes</Register_11_>
 <Make_Call_Without_Reg_11_ ua="na">No</Make_Call_Without_Reg_11_>
-<Register_Expires_11_ ua="na">3600</Register_Expires_11_>
+<Register_Expires_11_ ua="na">{$register_expires_11}</Register_Expires_11_>
 <Ans_Call_Without_Reg_11_ ua="na">No</Ans_Call_Without_Reg_11_>
 <Use_DNS_SRV_11_ ua="na">No</Use_DNS_SRV_11_>
 <DNS_SRV_Auto_Prefix_11_ ua="na">No</DNS_SRV_Auto_Prefix_11_>
@@ -1478,8 +1478,8 @@
 <Jitter_Buffer_Adjustment_12_ ua="na">up and down</Jitter_Buffer_Adjustment_12_> <!-- options: up and down/up only/down only/disable -->
 
 <!-- SIP Settings -->
-<SIP_Transport_12_ ua="na">UDP</SIP_Transport_12_> <!-- options: UDP/TCP/TLS -->
-<SIP_Port_12_ ua="na">5071</SIP_Port_12_>
+<SIP_Transport_12_ ua="na">{$sip_transport_12}</SIP_Transport_12_> <!-- options: UDP/TCP/TLS -->
+<SIP_Port_12_ ua="na">{$sip_port_12}</SIP_Port_12_>
 <SIP_100REL_Enable_12_ ua="na">No</SIP_100REL_Enable_12_>
 <EXT_SIP_Port_12_ ua="na"></EXT_SIP_Port_12_>
 <Auth_Resync-Reboot_12_ ua="na">Yes</Auth_Resync-Reboot_12_>
@@ -1522,7 +1522,7 @@
 <Use_OB_Proxy_In_Dialog_12_ ua="na">Yes</Use_OB_Proxy_In_Dialog_12_>
 <Register_12_ ua="na">Yes</Register_12_>
 <Make_Call_Without_Reg_12_ ua="na">No</Make_Call_Without_Reg_12_>
-<Register_Expires_12_ ua="na">3600</Register_Expires_12_>
+<Register_Expires_12_ ua="na">{$register_expires_12}</Register_Expires_12_>
 <Ans_Call_Without_Reg_12_ ua="na">No</Ans_Call_Without_Reg_12_>
 <Use_DNS_SRV_12_ ua="na">No</Use_DNS_SRV_12_>
 <DNS_SRV_Auto_Prefix_12_ ua="na">No</DNS_SRV_Auto_Prefix_12_>
diff --git a/resources/templates/provision/linksys/spa2102/{$mac}.xml b/resources/templates/provision/linksys/spa2102/{$mac}.xml
index ef50bcb4d3..958ea5994e 100644
--- a/resources/templates/provision/linksys/spa2102/{$mac}.xml
+++ b/resources/templates/provision/linksys/spa2102/{$mac}.xml
@@ -23,7 +23,7 @@
 <Password_1_>{$user_password_1}</Password_1_>
 <Use_Auth_ID_1_>No</Use_Auth_ID_1_>
 <Preferred_Codec_1_>G729a</Preferred_Codec_1_>
-<Register_Expires_1_>3600</Register_Expires_1_><!--*9 will perform intercom and call the other line on the box. There is no other way, from my testing to call from jack to jack on the box, without without the media being proxied.-->
+<Register_Expires_1_>{$register_expires_1}</Register_Expires_1_><!--*9 will perform intercom and call the other line on the box. There is no other way, from my testing to call from jack to jack on the box, without without the media being proxied.-->
 <Dial_Plan_1_>
 (1xxx[2-9]xxxxxxS0|[*#x]x.)  
 </Dial_Plan_1_>
@@ -35,7 +35,7 @@
 <Password_2_>{$user_password_2}</Password_2_>
 <Use_Auth_ID_2_>No</Use_Auth_ID_2_>
 <Preferred_Codec_2_>G729a</Preferred_Codec_2_>
-<Register_Expires_2_>3600</Register_Expires_2_>
+<Register_Expires_2_>{$register_expires_2}</Register_Expires_2_>
 <Dial_Plan_2_>
 (1xxx[2-9]xxxxxxS0|[*#x]x.) 
 </Dial_Plan_2_><!--|&lt;*9:{$user_id_1}@127.0.0.1:5061&gt;-->
diff --git a/resources/templates/provision/linksys/spa3102/{$mac}.xml b/resources/templates/provision/linksys/spa3102/{$mac}.xml
index 6f9d16deaf..49120b0358 100644
--- a/resources/templates/provision/linksys/spa3102/{$mac}.xml
+++ b/resources/templates/provision/linksys/spa3102/{$mac}.xml
@@ -70,7 +70,7 @@
 
   <!-- SIP settings -->
   <Proxy_1_>{$server_address_1}</Proxy_1_>
-  <SIP_Port_1_>5060</SIP_Port_1_>
+  <SIP_Port_1_>{$sip_port_1}</SIP_Port_1_>
   <Use_Outbound_Proxy_1_>no</Use_Outbound_Proxy_1_>
   <!-- only allow proxy IP to connect
   <Restrict_Source_IP_1_>yes</Restrict_Source_IP_1_>