diff --git a/resources/templates/provision/yealink/t38g/{$mac}.cfg b/resources/templates/provision/yealink/t38g/{$mac}.cfg
index a4e9ed8679..9c0905082b 100644
--- a/resources/templates/provision/yealink/t38g/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t38g/{$mac}.cfg
@@ -92,7 +92,7 @@ account.1.sip_listen_port =
 account.1.expires = {$register_expires_1}
 
 #Enable or disable the 100 reliable retransmission; 0-Disabled, 1-Enabled (default);
-account.1.100rel_enable =
+account.1.100rel_enable = {$yealink_retransmission}
 
 #Enable or disable the resource reservation; 0-Disabled (default), 1-Enabled;
 account.1.precondition =
@@ -113,7 +113,7 @@ account.1.cid_source =
 account.1.cp_source =
 
 #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 =
@@ -230,7 +230,7 @@ account.1.nat.udp_update_enable = 3
 account.1.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.1.nat.rport = {$yealink_rport_1}
+account.1.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default values of T1, T2, T3 are 0.5, 4, 5.
 account.1.advanced.timer_t1 =
@@ -405,7 +405,7 @@ account.2.sip_listen_port =
 account.2.expires = {$register_expires_2}
 
 #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 resource reservation; 0-Disabled (default), 1-Enabled;
 account.2.precondition =
@@ -426,7 +426,7 @@ account.2.cid_source =
 account.2.cp_source =
 
 #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 =
@@ -543,7 +543,7 @@ account.2.nat.udp_update_enable =
 account.2.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.2.nat.rport = {$yealink_rport_2}
+account.2.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default values of T1, T2, T3 are 0.5, 4, 5.
 account.2.advanced.timer_t1 =
@@ -718,7 +718,7 @@ account.3.sip_listen_port =
 account.3.expires = {$register_expires_3}
 
 #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 resource reservation; 0-Disabled (default), 1-Enabled;
 account.3.precondition =
@@ -739,7 +739,7 @@ account.3.cid_source =
 account.3.cp_source =
 
 #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 =
@@ -856,7 +856,7 @@ account.3.nat.udp_update_enable =
 account.3.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.3.nat.rport = {$yealink_rport_3}
+account.3.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default values of T1, T2, T3 are 0.5, 4, 5.
 account.3.advanced.timer_t1 =
@@ -1031,7 +1031,7 @@ account.4.sip_listen_port =
 account.4.expires = {$register_expires_4}
 
 #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 resource reservation; 0-Disabled (default), 1-Enabled;
 account.4.precondition =
@@ -1052,7 +1052,7 @@ account.4.cid_source =
 account.4.cp_source =
 
 #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 =
@@ -1169,7 +1169,7 @@ account.4.nat.udp_update_enable =
 account.4.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.4.nat.rport = {$yealink_rport_4}
+account.4.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default values of T1, T2, T3 are 0.5, 4, 5.
 account.4.advanced.timer_t1 =
@@ -1347,7 +1347,7 @@ account.5.sip_listen_port =
 account.5.expires = {$register_expires_5}
 
 #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 resource reservation; 0-Disabled (default), 1-Enabled;
 account.5.precondition =
@@ -1368,7 +1368,7 @@ account.5.cid_source =
 account.5.cp_source =
 
 #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 =
@@ -1483,7 +1483,7 @@ account.5.nat.udp_update_enable =
 account.5.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.5.nat.rport = {$yealink_rport_5}
+account.5.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default value of T1, T2, T3 is 0.5, 4, 5.
 account.5.advanced.timer_t1 =
@@ -1658,7 +1658,7 @@ account.6.sip_listen_port =
 account.6.expires = {$register_expires_6}
 
 #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 resource reservation; 0-Disabled (default), 1-Enabled;
 account.6.precondition =
@@ -1679,7 +1679,7 @@ account.6.cid_source =
 account.6.cp_source =
 
 #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 =
@@ -1794,7 +1794,7 @@ account.6.nat.udp_update_enable =
 account.6.nat.udp_update_time =
 
 #Enable or disable the NAT Rport; 0-Disabled (default), 1-Enabled;
-account.6.nat.rport = {$yealink_rport_6}
+account.6.nat.rport = {$yealink_rport}
 
 #Configure the session timer (in seconds), the default value of T1, T2, T3 is 0.5, 4, 5.
 account.6.advanced.timer_t1 =