diff --git a/app/call_centers/call_center_agent_delete.php b/app/call_centers/call_center_agent_delete.php
index ecbdd74ff6..d7703ec81f 100644
--- a/app/call_centers/call_center_agent_delete.php
+++ b/app/call_centers/call_center_agent_delete.php
@@ -86,6 +86,7 @@ if (count($_GET)>0) {
 
 //synchronize configuration
 	save_call_center_xml();
+	remove_config_from_cache('configuration:callcenter.conf');
 
 //redirect the browser
 	$_SESSION["message"] = $text['message-delete'];
diff --git a/app/call_centers/call_center_agent_edit.php b/app/call_centers/call_center_agent_edit.php
index 5ff7915723..e72dc42c19 100644
--- a/app/call_centers/call_center_agent_edit.php
+++ b/app/call_centers/call_center_agent_edit.php
@@ -264,6 +264,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 
 			//syncrhonize configuration
 				save_call_center_xml();
+				remove_config_from_cache('configuration:callcenter.conf');
 
 			$_SESSION["message"] = $text['message-add'];
 			header("Location: call_center_agents.php");
@@ -291,7 +292,8 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 			unset($sql);
 
 			//syncrhonize configuration
-			save_call_center_xml();
+				save_call_center_xml();
+				remove_config_from_cache('configuration:callcenter.conf');
 
 			$_SESSION["message"] = $text['message-update'];
 			header("Location: call_center_agents.php");
diff --git a/app/call_centers/call_center_queue_delete.php b/app/call_centers/call_center_queue_delete.php
index bad7ad96cc..5abb84093f 100644
--- a/app/call_centers/call_center_queue_delete.php
+++ b/app/call_centers/call_center_queue_delete.php
@@ -87,9 +87,11 @@ if (strlen($id) > 0) {
 	//clear the cache
 		$cache = new cache;
 		$cache->delete("dialplan:".$_SESSION["context"]);
+		remove_config_from_cache('configuration:callcenter.conf');
 
 	//synchronize configuration
 		save_dialplan_xml();
+		save_call_center_xml();
 
 	//apply settings reminder
 		$_SESSION["reload_xml"] = true;
diff --git a/app/call_centers/call_center_queue_edit.php b/app/call_centers/call_center_queue_edit.php
index 05f82c1580..e37cf5f245 100644
--- a/app/call_centers/call_center_queue_edit.php
+++ b/app/call_centers/call_center_queue_edit.php
@@ -257,6 +257,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 
 			//syncrhonize the configuration
 				save_call_center_xml();
+				remove_config_from_cache('configuration:callcenter.conf');
 
 			//delete the dialplan context from memcache
 				$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
@@ -326,6 +327,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 
 			//synchronize the configuration
 				save_call_center_xml();
+				remove_config_from_cache('configuration:callcenter.conf');
 
 			//clear the cache
 				$cache = new cache;
@@ -393,6 +395,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 
 			//syncrhonize configuration
 				save_call_center_xml();
+				remove_config_from_cache('configuration:callcenter.conf');
 		}
 
 		//redirect
diff --git a/app/call_centers/call_center_tier_edit.php b/app/call_centers/call_center_tier_edit.php
index 5f25536092..a8c5d2d4ac 100644
--- a/app/call_centers/call_center_tier_edit.php
+++ b/app/call_centers/call_center_tier_edit.php
@@ -111,7 +111,8 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		unset($sql);
 
 		//syncrhonize configuration
-		save_call_center_xml();
+			save_call_center_xml();
+			remove_config_from_cache('configuration:callcenter.conf');
 
 		//look up queue uuid by queue name (ugh)
 		$sql = "select call_center_queue_uuid from v_call_center_queues where queue_name = '".$queue_name."'";
diff --git a/app/voicemails/app_defaults.php b/app/voicemails/app_defaults.php
index d81acb5140..0fab2304d7 100644
--- a/app/voicemails/app_defaults.php
+++ b/app/voicemails/app_defaults.php
@@ -48,6 +48,13 @@ if ($domains_processed == 1) {
 		$array[$x]['default_setting_enabled'] = 'true';
 		$array[$x]['default_setting_description'] = 'Define whether to keep voicemail files on the local system after sending attached via email.';
 		$x++;
+		$array[$x]['default_setting_category'] = 'voicemail';
+		$array[$x]['default_setting_subcategory'] = 'storage_type';
+		$array[$x]['default_setting_name'] = 'text';
+		$array[$x]['default_setting_value'] = 'base64';
+		$array[$x]['default_setting_enabled'] = 'false';
+		$array[$x]['default_setting_description'] = 'Define which storage type (base_64 stores in the database).';
+		$x++;
 
 	//iterate and add each, if necessary
 		foreach ($array as $index => $default_settings) {
diff --git a/app/voicemails/resources/classes/voicemail.php b/app/voicemails/resources/classes/voicemail.php
index ca5b55ba00..27f7e304af 100644
--- a/app/voicemails/resources/classes/voicemail.php
+++ b/app/voicemails/resources/classes/voicemail.php
@@ -161,7 +161,7 @@
 			if ($result_count > 0) {
 				foreach($result as &$row) {
 					//set the greeting directory
-					$path = $_SESSION['switch']['storage']['dir'].'/voicemail/default/'.$_SESSION['domain_name'].'/'.$row['voicemail_id'];
+					$path = $_SESSION['switch']['voicemail']['dir'].'/default/'.$_SESSION['domain_name'].'/'.$row['voicemail_id'];
 					if (file_exists($path.'/msg_'.$row['voicemail_message_uuid'].'.wav')) {
 						$row['file_path'] = $path.'/msg_'.$row['voicemail_message_uuid'].'.wav';
 					}
@@ -239,7 +239,7 @@
 				}
 
 			//delete the recording
-				$file_path = $_SESSION['switch']['storage']['dir']."/voicemail/default/".$_SESSION['domain_name']."/".$this->voicemail_id;
+				$file_path = $_SESSION['switch']['voicemail']['dir']."/default/".$_SESSION['domain_name']."/".$this->voicemail_id;
 				foreach (glob($file_path."/msg_".$this->voicemail_message_uuid.".*") as $file_name) {
 					unlink($file_name);
 				}
@@ -278,7 +278,7 @@
 				session_cache_limiter('public');
 
 			//set source folder path
-				$path = $_SESSION['switch']['storage']['dir'].'/voicemail/default/'.$_SESSION['domain_name'].'/'.$this->voicemail_id;
+				$path = $_SESSION['switch']['voicemail']['dir'].'/default/'.$_SESSION['domain_name'].'/'.$this->voicemail_id;
 
 			//prepare base64 content from db, if enabled
 				if ($_SESSION['voicemail']['storage_type']['text'] == 'base64') {
diff --git a/resources/install/scripts/app/ring_groups/index.lua b/resources/install/scripts/app/ring_groups/index.lua
index 553cb69ee1..25e07493f7 100644
--- a/resources/install/scripts/app/ring_groups/index.lua
+++ b/resources/install/scripts/app/ring_groups/index.lua
@@ -38,7 +38,7 @@ local log = require "resources.functions.log".ring_group
 	require "resources.functions.explode";
 	require "resources.functions.base64";
 	require "resources.functions.file_exists";
-	require "resources.functions.explode";
+	require "resources.functions.channel_utils"
 
 --get the variables
 	domain_name = session:getVariable("domain_name");
@@ -439,34 +439,10 @@ local log = require "resources.functions.log".ring_group
 						extension_uuid = trim(api:executeString(cmd));
 						--send to user
 						local dial_string_to_user = "[sip_invite_domain="..domain_name..","..group_confirm.."leg_timeout="..destination_timeout..","..delay_name.."="..destination_delay..",dialed_extension=" .. row.destination_number .. ",extension_uuid="..extension_uuid .. row.record_session .. "]user/" .. row.destination_number .. "@" .. domain_name;
-						if (ring_group_skip_active ~= nil) then
-							if (ring_group_skip_active == "true") then
-								cmd = "show channels like "..destination_number;
-								reply = trim(api:executeString(cmd));
-								--freeswitch.consoleLog("notice", "[ring group] reply "..cmd.." " .. reply .. "\n");
-								exploded_reply = {};
-								exploded_reply = explode(",",reply);
-
-								if (reply == "0 total.") then
-									dial_string = dial_string_to_user
-								else
-									idle_extension=true;
-
-									if (exploded_reply ~= nil) then
-										for i,v in ipairs(exploded_reply) do											
-											if(v==destination_number.."@"..domain_name) then
-												idle_extension=false;
-											end
-										end
-									end
-
-									if(idle_extension) then
-										dial_string = dial_string_to_user;
-									end
-								end
-							else
-								--look inside the reply to check for the correct domain_name
-									dial_string = dial_string_to_user;
+						if (ring_group_skip_active == "true") then
+							local channels = channels_by_number(destination_number, domain_name)
+							if (not channels) or #channels == 0 then
+								dial_string = dial_string_to_user
 							end
 						else
 							dial_string = dial_string_to_user;
diff --git a/resources/install/scripts/app/xml_handler/resources/scripts/languages/languages.lua b/resources/install/scripts/app/xml_handler/resources/scripts/languages/languages.lua
index 86047db948..c607d699b3 100644
--- a/resources/install/scripts/app/xml_handler/resources/scripts/languages/languages.lua
+++ b/resources/install/scripts/app/xml_handler/resources/scripts/languages/languages.lua
@@ -142,16 +142,25 @@
 							table.insert(xml, [[					</macro>]]);;
 						end
 						
+						require "resources.functions.settings";
+						settings = settings(domain_uuid);
+						lang_path = "/usr/local/freeswitch/conf/lang/";
+						if (settings['switch']['phrases'] ~= nil) then
+							if (settings['switch']['phrases']['dir'] ~= nil) then
+								lang_path = settings['switch']['phrases']['dir'];
+							end
+						end
+
 						--read root xml language file, parse included xml files
 							local xml_file_paths = {}
-							local file_handle = io.open("/usr/local/freeswitch/conf/lang/"..language.."/"..language..".xml", "r");
+							local file_handle = io.open(lang_path.."/"..language.."/"..language..".xml", "r");
 							if (file_handle ~= nil) then
 								for file_line in file_handle:lines() do
 									if (string.find(file_line, 'cmd="include" data="', 0, true) ~= nil) then
 										pos_beg = string.find(file_line, 'cmd="include" data="', 0, true) + 20;
 										pos_end = string.find(file_line, '"/>', 0, true) - 1;
 										xml_file_path = string.sub(file_line, pos_beg, pos_end);
-										table.insert(xml_file_paths, "/usr/local/freeswitch/conf/lang/"..language.."/"..xml_file_path);
+										table.insert(xml_file_paths, lang_path.."/"..language.."/"..xml_file_path);
 										--freeswitch.consoleLog("notice", "file path = "..xml_file_path.."\n");
 									end
 								end
diff --git a/resources/install/scripts/call_flow.lua b/resources/install/scripts/call_flow.lua
index a8298a067c..2b51b6d33b 100644
--- a/resources/install/scripts/call_flow.lua
+++ b/resources/install/scripts/call_flow.lua
@@ -35,6 +35,10 @@
 	require "resources.functions.database_handle";
 	dbh = database_handle('system');
 
+	local log = require "resources.functions.log".call_flow
+
+	local presence_in = require "resources.functions.presence_in"
+
 if (session:ready()) then
 	--get the variables
 		domain_name = session:getVariable("domain_name");
@@ -51,11 +55,9 @@ if (session:ready()) then
 		if (not default_voice) then default_voice = 'callie'; end
 
 	--get the extension list
-		sql = [[SELECT * FROM v_call_flows
-		where call_flow_uuid = ']]..call_flow_uuid..[[']]
-		--and call_flow_enabled = 'true' 
-		--freeswitch.consoleLog("notice", "SQL:" .. sql .. "\n");
-		app_data = "";
+		sql = "SELECT * FROM v_call_flows where call_flow_uuid = '"..call_flow_uuid.."'"
+			-- .. "and call_flow_enabled = 'true'"
+		--log.notice("SQL: %s", sql);
 
 		x = 0;
 		dbh:query(sql, function(row)
@@ -68,17 +70,15 @@ if (session:ready()) then
 			call_flow_label = row.call_flow_label;
 			call_flow_anti_label = row.call_flow_anti_label;
 
-			if (string.len(call_flow_status) == 0) then
+			if #call_flow_status == 0 then
+				call_flow_status = "true";
+			end
+			if (call_flow_status == "true") then
 				app = row.call_flow_app;
 				data = row.call_flow_data
 			else
-				if (call_flow_status == "true") then
-					app = row.call_flow_app;
-					data = row.call_flow_data
-				else
-					app = row.call_flow_anti_app;
-					data = row.call_flow_anti_data
-				end
+				app = row.call_flow_anti_app;
+				data = row.call_flow_anti_data
 			end
 		end);
 
@@ -99,70 +99,34 @@ if (session:ready()) then
 			end
 
 		--feature code - toggle the status
-			if (string.len(call_flow_status) == 0) then
-				toggle = "false";
-			else
-				if (call_flow_status == "true") then
-					toggle = "false";
-				else
-					toggle = "true";
-				end
-			end
-			if (toggle == "true") then
-				--set the presence to terminated - turn the lamp off:
-					event = freeswitch.Event("PRESENCE_IN");
-					event:addHeader("proto", "sip");
-					event:addHeader("event_type", "presence");
-					event:addHeader("alt_event_type", "dialog");
-					event:addHeader("Presence-Call-Direction", "outbound");
-					event:addHeader("state", "Active (1 waiting)");
-					event:addHeader("from", call_flow_feature_code.."@"..domain_name);
-					event:addHeader("login", call_flow_feature_code.."@"..domain_name);
-					event:addHeader("unique-id", call_flow_uuid);
-					event:addHeader("answer-state", "terminated");
-					event:fire();
-				--answer and play a tone
-					session:answer();
-					if (string.len(call_flow_label) > 0) then
-						api = freeswitch.API();
-						reply = api:executeString("uuid_display "..session:get_uuid().." "..call_flow_label);
-					end
-					session:execute("sleep", "2000");
-					session:execute("playback", "tone_stream://%(200,0,500,600,700)");
-				--show in the console
-					freeswitch.consoleLog("notice", "Call Flow: label="..call_flow_label..",status=true,uuid="..call_flow_uuid.."\n");
-			else
-				--set presence in - turn lamp on
-					event = freeswitch.Event("PRESENCE_IN");
-					event:addHeader("proto", "sip");
-					event:addHeader("login", call_flow_feature_code.."@"..domain_name);
-					event:addHeader("from", call_flow_feature_code.."@"..domain_name);
-					event:addHeader("status", "Active (1 waiting)");
-					event:addHeader("rpid", "unknown");
-					event:addHeader("event_type", "presence");
-					event:addHeader("alt_event_type", "dialog");
-					event:addHeader("event_count", "1");
-					event:addHeader("unique-id", call_flow_uuid);
-					event:addHeader("Presence-Call-Direction", "outbound")
-					event:addHeader("answer-state", "confirmed");
-					event:fire();
-				--answer and play a tone
-					session:answer();
-					if (string.len(call_flow_anti_label) > 0) then
-						api = freeswitch.API();
-						reply = api:executeString("uuid_display "..session:get_uuid().." "..call_flow_anti_label);
-					end
-					session:execute("sleep", "2000");
-					session:execute("playback", "tone_stream://%(500,0,300,200,100,50,25)");
-				--show in the console
-					freeswitch.consoleLog("notice", "Call Flow: label="..call_flow_anti_label..",status=false,uuid="..call_flow_uuid.."\n");
+			toggle = (call_flow_status == "true") and "false" or "true"
+
+		-- turn the lamp
+			presence_in.turn_lamp( toggle == "false",
+				call_flow_feature_code.."@"..domain_name,
+				call_flow_uuid
+			);
+
+			local active_flow_label = (toggle == "true") and call_flow_label or call_flow_anti_label
+		--answer and play a tone
+			session:answer();
+			if #active_flow_label > 0 then
+				api = freeswitch.API();
+				reply = api:executeString("uuid_display "..session:get_uuid().." "..active_flow_label);
 			end
+			session:execute("sleep", "2000");
+			session:execute("playback", "tone_stream://%(200,0,500,600,700)");
+
+		--show in the console
+			log.noticef("label=%s,status=%s,uuid=%s", active_flow_label, toggle, call_flow_uuid);
+
+		--store in database
 			dbh:query("UPDATE v_call_flows SET call_flow_status = '"..toggle.."' WHERE call_flow_uuid = '"..call_flow_uuid.."'");
+
 		--hangup the call
 			session:hangup();
 	else 
-		--app_data
-			freeswitch.consoleLog("notice", "Call Flow: " .. app .. " " .. data .. "\n");
+		log.notice("execute " .. app .. " " .. data);
 
 		--exucute the application
 			session:execute(app, data);
diff --git a/resources/install/scripts/call_flow_monitor.lua b/resources/install/scripts/call_flow_monitor.lua
index 5db7d4f3d0..b3ddebb1dc 100644
--- a/resources/install/scripts/call_flow_monitor.lua
+++ b/resources/install/scripts/call_flow_monitor.lua
@@ -38,9 +38,11 @@
 	require "resources.functions.file_exists";
 	require "resources.functions.mkdir";
 
---connect to the database
 	require "resources.functions.database_handle";
-	dbh = database_handle('system');
+
+	local log = require "resources.functions.log".call_flow_monitor
+
+	local presence_in = require "resources.functions.presence_in"
 
 --make sure the scripts/run dir exists
 	mkdir(scripts_dir .. "/run");
@@ -61,69 +63,52 @@
 --used to stop the lua service
 	local file = assert(io.open(run_file, "w"));
 	file:write("remove this file to stop the script");
+	file:close()
 
+	log.notice("Start")
 --monitor the call flows status
-	x = 0
+	local sql = "select d.domain_name, f.call_flow_uuid, f.call_flow_extension, f.call_flow_feature_code," ..
+		"f.call_flow_status, f.call_flow_label, f.call_flow_anti_label "..
+		"from v_call_flows as f, v_domains as d " ..
+		"where f.domain_uuid = d.domain_uuid " -- and call_flow_enabled = 'true'
 	while true do
-		--get the extension list
-			sql = [[select d.domain_name, f.call_flow_uuid, f.call_flow_extension, f.call_flow_feature_code, f.call_flow_status, f.call_flow_label, f.call_flow_anti_label
-			from v_call_flows as f, v_domains as d 
-			where f.domain_uuid = d.domain_uuid]]
-			--and call_flow_enabled = 'true'
+		-- debug print
 			if (debug["sql"]) then
-				freeswitch.consoleLog("notice", "SQL:" .. sql .. "\n");
+				log.notice("SQL:" .. sql);
 			end
-			x = 0;
-			dbh:query(sql, function(row)
-				domain_name = row.domain_name;
-				call_flow_uuid = row.call_flow_uuid;
-				--call_flow_name = row.call_flow_name;
-				call_flow_extension = row.call_flow_extension;
-				call_flow_feature_code = row.call_flow_feature_code;
-				--call_flow_context = row.call_flow_context;
-				call_flow_status = row.call_flow_status;
-				--pin_number = row.call_flow_pin_number;
-				call_flow_label = row.call_flow_label;
-				call_flow_anti_label = row.call_flow_anti_label;
 
-				if (call_flow_status == "true") then
-					--set the presence to terminated - turn the lamp off:
-						event = freeswitch.Event("PRESENCE_IN");
-						event:addHeader("proto", "sip");
-						event:addHeader("event_type", "presence");
-						event:addHeader("alt_event_type", "dialog");
-						event:addHeader("Presence-Call-Direction", "outbound");
-						event:addHeader("state", "Active (1 waiting)");
-						event:addHeader("from", call_flow_feature_code.."@"..domain_name);
-						event:addHeader("login", call_flow_feature_code.."@"..domain_name);
-						event:addHeader("unique-id", call_flow_uuid);
-						event:addHeader("answer-state", "terminated");
-						event:fire();
-					--show in the console
-						if (debug["log"]) then
-							freeswitch.consoleLog("notice", "Call Flow: label="..call_flow_label..",status=true,uuid="..call_flow_uuid.."\n");
-						end
-				else
-					--set presence in - turn lamp on
-						event = freeswitch.Event("PRESENCE_IN");
-						event:addHeader("proto", "sip");
-						event:addHeader("login", call_flow_feature_code.."@"..domain_name);
-						event:addHeader("from", call_flow_feature_code.."@"..domain_name);
-						event:addHeader("status", "Active (1 waiting)");
-						event:addHeader("rpid", "unknown");
-						event:addHeader("event_type", "presence");
-						event:addHeader("alt_event_type", "dialog");
-						event:addHeader("event_count", "1");
-						event:addHeader("unique-id", call_flow_uuid);
-						event:addHeader("Presence-Call-Direction", "outbound");
-						event:addHeader("answer-state", "confirmed");
-						event:fire();
-					--show in the console
-						if (debug["log"]) then
-							freeswitch.consoleLog("notice", "Call Flow: label="..call_flow_anti_label..",status=false,uuid="..call_flow_uuid.."\n");
-						end
-				end
-			end);
+		--connect to the database
+			local dbh = database_handle('system');
+
+		--get the extension list
+			if dbh:connected() then
+				dbh:query(sql, function(row)
+					local domain_name = row.domain_name;
+					local call_flow_uuid = row.call_flow_uuid;
+					--local call_flow_name = row.call_flow_name;
+					--local call_flow_extension = row.call_flow_extension;
+					local call_flow_feature_code = row.call_flow_feature_code;
+					--local call_flow_context = row.call_flow_context;
+					local call_flow_status = row.call_flow_status;
+					--local pin_number = row.call_flow_pin_number;
+					local call_flow_label = row.call_flow_label;
+					local call_flow_anti_label = row.call_flow_anti_label;
+
+					-- turn the lamp
+						presence_in.turn_lamp( call_flow_status == "false",
+							call_flow_feature_code.."@"..domain_name,
+							call_flow_uuid
+						);
+
+					if (debug["log"]) then
+						local label = (call_flow_status == "true") and call_flow_label or call_flow_anti_label
+						log.noticef("label=%s,status=%s,uuid=%s", label, call_flow_status, call_flow_uuid);
+					end
+				end);
+			end
+
+		-- release dbh
+			dbh:release()
 
 		--exit the loop when the file does not exist
 			if (not file_exists(run_file)) then
@@ -132,4 +117,6 @@
 
 		--sleep a moment to prevent using unecessary resources
 			freeswitch.msleep(sleep*1000);
-	end
\ No newline at end of file
+	end
+
+	log.notice("Stop")
diff --git a/resources/install/scripts/resources/functions/cache.lua b/resources/install/scripts/resources/functions/cache.lua
index 974e327dd9..06548af1cd 100644
--- a/resources/install/scripts/resources/functions/cache.lua
+++ b/resources/install/scripts/resources/functions/cache.lua
@@ -10,6 +10,13 @@ require "resources.functions.trim";
 
 local api = api or freeswitch.API();
 
+local function send_event(action, key)
+  local event = freeswitch.Event("MEMCACHE", action);
+  event:addHeader("API-Command", "memcache");
+  event:addHeader("API-Command-Argument", action .. " " .. key);
+  event:fire()
+end
+
 local Cache = {}
 
 local function check_error(result)
@@ -57,6 +64,7 @@ function Cache.set(key, value, expire)
 end
 
 function Cache.del(key)
+  send_event('delete', key)
   local result, err = check_error(api:execute("memcache", "delete " .. key))
   if not result then
     if err == 'NOT FOUND' then
diff --git a/resources/install/scripts/resources/functions/channel_utils.lua b/resources/install/scripts/resources/functions/channel_utils.lua
index a078939d2e..5cf33c5f8f 100644
--- a/resources/install/scripts/resources/functions/channel_utils.lua
+++ b/resources/install/scripts/resources/functions/channel_utils.lua
@@ -1,3 +1,7 @@
+require 'resources.config'
+require 'resources.functions.trim'
+
+local Database = require 'resources.functions.database'
 
 local api = api or freeswitch.API()
 
@@ -18,3 +22,38 @@ function channel_evalute(uuid, cmd)
 
 	return result
 end
+
+local _switchname
+local function switchname()
+	if _switchname then return _switchname end
+
+	local result = api:executeString("switchname")
+
+	if result:sub(1, 4) == '-ERR' then return nil, result end
+	if result == '_undef_' then return false end
+
+	_switchname = result
+	return result
+end
+
+function channels_by_number(number, domain)
+	local hostname = assert(switchname())
+	local dbh = Database.new('switch')
+
+	local full_number = number .. '@' .. (domain or '%')
+
+	local sql = ([[select * from channels where hostname='%s' and (
+		(context = '%s' and (cid_name = '%s' or cid_num = '%s'))
+		or name like '%s' or presence_id like '%s' or presence_data like '%s'
+		)
+		order by created_epoch
+	]]):format(hostname,
+		domain, number, number,
+		full_number, full_number, full_number
+	)
+
+	local rows = assert(dbh:fetch_all(sql))
+
+	dbh:release()
+	return rows
+end
diff --git a/resources/install/scripts/resources/functions/presence_in.lua b/resources/install/scripts/resources/functions/presence_in.lua
new file mode 100644
index 0000000000..b8369f9b17
--- /dev/null
+++ b/resources/install/scripts/resources/functions/presence_in.lua
@@ -0,0 +1,23 @@
+local function turn_lamp(on, user, uuid)
+	local event = freeswitch.Event("PRESENCE_IN");
+	event:addHeader("proto", "sip");
+	event:addHeader("event_type", "presence");
+	event:addHeader("alt_event_type", "dialog");
+	event:addHeader("Presence-Call-Direction", "outbound");
+	event:addHeader("from", user);
+	event:addHeader("login", user);
+	event:addHeader("unique-id", uuid);
+	event:addHeader("status", "Active (1 waiting)");
+	if on then
+		event:addHeader("answer-state", "confirmed");
+		event:addHeader("rpid", "unknown");
+		event:addHeader("event_count", "1");
+	else
+		event:addHeader("answer-state", "terminated");
+	end
+	event:fire();
+end
+
+return {
+	turn_lamp = turn_lamp;
+}
\ No newline at end of file
diff --git a/resources/switch.php b/resources/switch.php
index a37727a9d6..e4eb04c532 100644
--- a/resources/switch.php
+++ b/resources/switch.php
@@ -158,6 +158,15 @@ function byte_convert($bytes, $decimals = 2) {
 	return $formattedbytes;
 }
 
+function remove_config_from_cache($name) {
+	$cache = new cache;
+	$cache->delete($name);
+	$hostname = trim(event_socket_request_cmd('api switchname'));
+	if($hostname){
+		$cache->delete($name . ':' . $hostname);
+	}
+}
+
 function ListFiles($dir) {
 	if($dh = opendir($dir)) {
 		$files = Array();