diff --git a/resources/templates/provision/yealink/t29g/{$mac}.cfg b/resources/templates/provision/yealink/t29g/{$mac}.cfg
index d5779fabab..3d4f03d71f 100644
--- a/resources/templates/provision/yealink/t29g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t29g/{$mac}.cfg
@@ -55,7 +55,7 @@ account.1.failback_mode = 0
 account.1.failback_timeout = 3600
 account.1.naptr_build = 0
 account.1.fallback.redundancy_type = 0
-account.1.fallback.timeout = 120
+account.1.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.1.sip_server.1.address =
 {if $sip_transport_1 == 'dns srv'}
 account.1.sip_server.1.port = 0
@@ -520,7 +520,7 @@ account.2.failback_mode = 0
 account.2.failback_timeout = 3600
 account.2.naptr_build = 0
 account.2.fallback.redundancy_type = 0
-account.2.fallback.timeout = 120
+account.2.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.2.sip_server.1.address =
 account.2.sip_server.1.port = 5060
 #Configure the register expiry time (in seconds), the default value is 3600.
@@ -1029,7 +1029,7 @@ account.3.failback_mode = 0
 account.3.failback_timeout = 3600
 account.3.naptr_build = 0
 account.3.fallback.redundancy_type = 0
-account.3.fallback.timeout = 120
+account.3.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.3.sip_server.1.address =
 account.3.sip_server.1.port = 5060
 #Configure the register expiry time (in seconds), the default value is 3600.
@@ -1520,7 +1520,7 @@ account.4.failback_mode = 0
 account.4.failback_timeout = 3600
 account.4.naptr_build = 0
 account.4.fallback.redundancy_type = 0
-account.4.fallback.timeout = 120
+account.4.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.4.sip_server.1.address =
 account.4.sip_server.1.port = 5060
 #Configure the register expiry time (in seconds), the default value is 3600.
@@ -2011,7 +2011,7 @@ account.5.failback_mode = 0
 account.5.failback_timeout = 3600
 account.5.naptr_build = 0
 account.5.fallback.redundancy_type = 0
-account.5.fallback.timeout = 120
+account.5.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.5.sip_server.1.address =
 account.5.sip_server.1.port = 5060
 #Configure the register expiry time (in seconds), the default value is 3600.
@@ -2510,7 +2510,7 @@ account.6.failback_mode = 0
 account.6.failback_timeout = 3600
 account.6.naptr_build = 0
 account.6.fallback.redundancy_type = 0
-account.6.fallback.timeout = 120
+account.6.fallback.timeout = {$yealink_outbound_proxy_fallback_interval}
 account.6.sip_server.1.address =
 account.6.sip_server.1.port = 5060
 #Configure the register expiry time (in seconds), the default value is 3600.