diff --git a/resources/templates/provision/yealink/t49g/{$mac}.cfg b/resources/templates/provision/yealink/t49g/{$mac}.cfg
index 785b99d481..f5578ecc91 100644
--- a/resources/templates/provision/yealink/t49g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t49g/{$mac}.cfg
@@ -146,7 +146,7 @@ account.1.nat.udp_update_enable = 3
 account.1.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.1.nat.rport = {$yealink_rport_1}
+account.1.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -361,7 +361,7 @@ account.1.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.1.session_timer.enable =
+account.1.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.1.session_timer.expires =
@@ -388,7 +388,7 @@ account.1.auto_answer =
 account.1.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.1.100rel_enable =
+account.1.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.1.enable_user_equal_phone =
@@ -605,7 +605,7 @@ account.2.nat.udp_update_enable = 1
 account.2.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.2.nat.rport = {$yealink_rport_2}
+account.2.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -820,7 +820,7 @@ account.2.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.2.session_timer.enable =
+account.2.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.2.session_timer.expires =
@@ -847,7 +847,7 @@ account.2.auto_answer =
 account.2.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.2.100rel_enable =
+account.2.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.2.enable_user_equal_phone =
@@ -1101,7 +1101,7 @@ account.3.nat.udp_update_enable = 1
 account.3.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.3.nat.rport = {$yealink_rport_3}
+account.3.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -1316,7 +1316,7 @@ account.3.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.3.session_timer.enable =
+account.3.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.3.session_timer.expires =
@@ -1343,7 +1343,7 @@ account.3.auto_answer =
 account.3.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.3.100rel_enable =
+account.3.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.3.enable_user_equal_phone =
@@ -1586,7 +1586,7 @@ account.4.nat.udp_update_enable = 1
 account.4.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.4.nat.rport = {$yealink_rport_4}
+account.4.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -1801,7 +1801,7 @@ account.4.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.4.session_timer.enable =
+account.4.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.4.session_timer.expires =
@@ -1828,7 +1828,7 @@ account.4.auto_answer =
 account.4.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.4.100rel_enable =
+account.4.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.4.enable_user_equal_phone =
@@ -2071,7 +2071,7 @@ account.5.nat.udp_update_enable = 1
 account.5.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.5.nat.rport = {$yealink_rport_5}
+account.5.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -2286,7 +2286,7 @@ account.5.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.5.session_timer.enable =
+account.5.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.5.session_timer.expires =
@@ -2313,7 +2313,7 @@ account.5.auto_answer =
 account.5.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.5.100rel_enable =
+account.5.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.5.enable_user_equal_phone =
@@ -2555,7 +2555,7 @@ account.6.nat.udp_update_enable = 1
 account.6.nat.udp_update_time = 30
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.6.nat.rport = {$yealink_rport_6}
+account.6.nat.rport = {$yealink_rport}
 
 
 #######################################################################################
@@ -2770,7 +2770,7 @@ account.6.cp_source = 0
 ##                            Session Timer                                          ##
 #######################################################################################
 #Enable or disable the session timer, 0-Disabled (default), 1-Enabled;
-account.6.session_timer.enable =
+account.6.session_timer.enable = {$yealink_session_timer}
 
 #Configure the refresh session timer interval (in seconds). It ranges from 1 to 9999.
 account.6.session_timer.expires =
@@ -2797,7 +2797,7 @@ account.6.auto_answer =
 account.6.missed_calllog =
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled (default), 1-Enabled;
-account.6.100rel_enable =
+account.6.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the "user=phone"; 0-Disabled (default), 1-Enabled;
 account.6.enable_user_equal_phone =