diff --git a/app/yealink/app_config.php b/app/yealink/app_config.php
index b0601d1044..3daf80337a 100644
--- a/app/yealink/app_config.php
+++ b/app/yealink/app_config.php
@@ -1079,6 +1079,14 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Set 1 = ON 0 = OFF.";
 		$y++;
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "3f6beec0-01d0-4015-b7f2-26a2b94a0b5d";
+		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "yealink_auto_dst_url"
+		$apps[$x]['default_settings'][$y]['default_setting_name'] = "text";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "https://server.yourdomain.com/app/yealink/resources/auto_dst.xml";
+		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "false";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "URL to AutoDST.xml file. The time zone and corresponding DST pre-configurations exist in the AutoDST file. If the DST is set to Automatic, the IP phone obtains the DST configuration from the AutoDST file.";
+		$y++;
 		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "4351b29e-d12e-4887-bd60-3b4ae0c33784";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
 		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "yealink_inter_digit_time";
@@ -1112,6 +1120,4 @@
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "TLS cipher list Default";
 		$y++;
 
-
-
 ?>
diff --git a/app/yealink/resources/auto_dst.xml b/app/yealink/resources/auto_dst.xml
new file mode 100644
index 0000000000..500a32e4cb
--- /dev/null
+++ b/app/yealink/resources/auto_dst.xml
@@ -0,0 +1,112 @@
+<DSTData>
+  <DST szTime="-11" szZone="Samoa"/>
+  <DST szTime="-10" szZone="United States-Hawaii-Aleutian"/>
+  <DST szTime="-10" szZone="United States-Alaska-Aleutian"/>
+  <DST szTime="-9" szZone="United States-Alaska Time"    	iType="1" szStart="3/2/7/2"		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-8" szZone="Canada(Vancouver,Whitehorse)"  iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-8" szZone="Mexico(Tijuana,Mexicali)"     iType="1" szStart="4/1/7/0" 		szEnd="10/5/7/0" 	szOffset="60"/>
+  <DST szTime="-8" szZone="United States-Pacific Time"   iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-7" szZone="Canada(Edmonton,Calgary)" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-7" szZone="Mexico(Mazatlan,Chihuahua)" iType="1" szStart="4/1/7/0" 		szEnd="10/5/7/0" 	szOffset="60"/>
+  <DST szTime="-7" szZone="United States-Mountain Time"/>
+  <DST szTime="-7" szZone="United States-MST no DST"/>
+  <DST szTime="-6" szZone="Canada-Manitoba(Winnipeg)" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-6" szZone="Chile(Easter Islands)" iType="1" szStart="10/2/6/0" 		szEnd="2/2/6/0" 	szOffset="60"/>
+  <DST szTime="-6" szZone="Mexico(Mexico City,Acapulco)"  iType="1" szStart="4/1/7/0" 		szEnd="10/5/7/0" 	szOffset="60"/>
+  <DST szTime="-6" szZone="United States-Central Time" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-5" szZone="Bahamas(Nassau)" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-5" szZone="Canada(Montreal,Ottawa,Quebec)" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-5" szZone="Cuba(Havana)" iType="1" szStart="3/2/7/0" 		szEnd="10/5/7/0" 	szOffset="60"/>
+  <DST szTime="-5" szZone="United States-Eastern Time" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-4:30" szZone="Venezuela(Caracas)"/>
+  <DST szTime="-4" szZone="Canada(Halifax,Saint John)"  iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-4" szZone="Chile(Santiago)" iType="1" szStart="9/1/6/0"   szEnd="4/4/6/0"  szOffset="60"/>
+  <DST szTime="-4" szZone="Paraguay(Asuncion)" iType="1" szStart="10/3/7/0" 		szEnd="3/2/7/0" 	szOffset="60"/>
+  <DST szTime="-4" szZone="United Kingdom-Bermuda(Bermuda)" iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-4" szZone="United Kingdom(Falkland Islands)" iType="1" szStart="9/1/7/2" 		szEnd="4/1/7/2" 	szOffset="60"/>
+  <DST szTime="-4" szZone="Trinidad&amp;Tobago" />
+  <DST szTime="-3:30" szZone="Canada-New Foundland(St.Johns)"  iType="1" szStart="3/2/7/2" 		szEnd="11/1/7/2" 	szOffset="60"/>
+  <DST szTime="-3" szZone="Denmark-Greenland(Nuuk)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/1" 	szOffset="60"/>
+  <DST szTime="-3" szZone="Argentina(Buenos Aires)" />
+  <DST szTime="-3" szZone="Brazil(no DST)" />
+  <DST szTime="-3" szZone="Brazil(DST)" iType="1" szStart="10/3/7/0" 		szEnd="2/3/7/0" 	szOffset="60"/>
+  <DST szTime="-2" szZone="Brazil(no DST)" />
+  <DST szTime="-1" szZone="Portugal(Azores)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="GMT"/>
+  <DST szTime="0" szZone="Greenland" 	  iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/1" 	szOffset="60"/>
+  <DST szTime="0" szZone="Denmark-Faroe Islands(Torshavn)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="Ireland(Dublin)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="Portugal(Lisboa,Porto,Funchal)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="Spain-Canary Islands(Las Palmas)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="United Kingdom(London)" iType="1" szStart="3/5/7/1" 		szEnd="10/5/7/2" 	szOffset="60"/>
+  <DST szTime="0" szZone="Morocco" 		  iType="0" szStart="6/1/0" 		  szEnd="8/21/0" 	  szOffset="60"/>
+  <DST szTime="+1" szZone="Albania(Tirane)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Austria(Vienna)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Belgium(Brussels)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Caicos" iType="1" szStart="4/4/5/0" 		szEnd="8/4/5/0" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Chad" />
+  <DST szTime="+1" szZone="Croatia(Zagreb)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Czech Republic(Prague)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Denmark(Kopenhagen)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="France(Paris)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Germany(Berlin)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Hungary(Budapest)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Serbia(Belgrade)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Slovenia(Ljubljana)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Montenegro(Podgorica)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Bosnia and Herzegovina(Sarajevo)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Italy(Rome)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Luxembourg(Luxembourg)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Macedonia(Skopje)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Netherlands(Amsterdam)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+1" szZone="Namibia(Windhoek)" iType="1" szStart="9/1/7/2" 		szEnd="4/1/7/2" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Estonia(Tallinn)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Finland(Helsinki)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Gaza Strip(Gaza)" iType="1" szStart="3/5/5/0" 		szEnd="9/1/4/2" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Greece(Athens)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Israel(Tel Aviv)" iType="0" szStart="3/27/2" 		szEnd="9/27/2" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Jordan(Amman)" iType="1" szStart="3/5/5/0" 		szEnd="10/5/5/1" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Latvia(Riga)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Lebanon(Beirut)" iType="1" szStart="3/5/7/0" 		szEnd="10/5/7/0" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Moldova(Kishinev)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Russia(Kaliningrad)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Romania(Bucharest)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Syria(Damascus)" iType="1" szStart="3/5/6/0" 		szEnd="11/1/7/0" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Turkey(Ankara)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+2" szZone="Ukraine(Kyiv,Odessa)" iType="1" szStart="3/5/7/3" 		szEnd="10/5/7/4" 	szOffset="60"/>
+  <DST szTime="+3" szZone="East Africa Time" />
+  <DST szTime="+3" szZone="Iraq(Baghdad)" />
+  <DST szTime="+3" szZone="Russia(Moscow)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+3:30" szZone="Iran(Teheran)" iType="0" szStart="3/22/0" 		    szEnd="9/22/0" 	szOffset="60"/>
+  <DST szTime="+4" szZone="Armenia(Yerevan)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+4" szZone="Azerbaijan(Baku)" iType="1" szStart="3/5/7/4" 		szEnd="10/5/7/5" 	szOffset="60"/>
+  <DST szTime="+4" szZone="Georgia(Tbilisi)" />
+  <DST szTime="+4" szZone="Kazakhstan(Aktau)" />
+  <DST szTime="+4" szZone="Russia(Samara)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+4:30" szZone="Afghanistan" />
+  <DST szTime="+5" szZone="Kazakhstan(Aqtobe)"/>
+  <DST szTime="+5" szZone="Kyrgyzstan(Bishkek)" />
+  <DST szTime="+5" szZone="Pakistan(Islamabad)" iType="0" szStart="4/15/0" 		szEnd="11/1/0" 	szOffset="60"/>
+  <DST szTime="+5" szZone="Russia(Chelyabinsk)"  iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+5:30" szZone="India(Calcutta)"/>
+  <DST szTime="+6" szZone="Kazakhstan(Astana,Almaty)"/>
+  <DST szTime="+6" szZone="Russia(Novosibirsk,Omsk)"  iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+7" szZone="Russia(Krasnoyarsk)"  iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+7" szZone="Thailand(Bangkok)"/>
+  <DST szTime="+8" szZone="China(Beijing)"/>
+  <DST szTime="+8" szZone="Singapore(Singapore)" />
+  <DST szTime="+8" szZone="Australia(Perth)" iType="1" szStart="10/1/7/2" 		szEnd="3/5/7/3" 	szOffset="60"/>
+  <DST szTime="+9" szZone="Korea(Seoul)"/>
+  <DST szTime="+9" szZone="Japan(Tokyo)"/>
+  <DST szTime="+9:30" szZone="Australia(Adelaide)" iType="1" szStart="10/1/7/2" 		szEnd="4/1/7/3" 	szOffset="60"/>
+  <DST szTime="+9:30" szZone="Australia(Darwin)" />
+  <DST szTime="+10" szZone="Australia(Sydney,Melbourne,Canberra)" iType="1" szStart="10/1/7/2" 		szEnd="4/1/7/3" 	szOffset="60"/>
+  <DST szTime="+10" szZone="Australia(Brisbane)"/>
+  <DST szTime="+10" szZone="Australia(Hobart)"  iType="1" szStart="10/1/7/2" 		szEnd="4/1/7/3" 	szOffset="60"/>
+  <DST szTime="+10" szZone="Russia(Vladivostok)" iType="1" szStart="3/5/7/2" 		szEnd="10/5/7/3" 	szOffset="60"/>
+  <DST szTime="+10:30" szZone="Australia(Lord Howe Islands)" iType="1" szStart="10/1/7/2" 		szEnd="4/1/7/3" 	szOffset="60"/>
+  <DST szTime="+11" szZone="New Caledonia(Noumea)"/>
+  <DST szTime="+12" szZone="New Zealand(Wellington,Auckland)" iType="1" szStart="9/5/7/3" 		szEnd="4/1/7/2" 	szOffset="60"/>
+  <DST szTime="+12:45" szZone="New Zealand(Chatham Islands)" iType="1" szStart="9/5/7/4" 		szEnd="4/1/7/3" 	szOffset="60"/>
+  <DST szTime="+13" szZone="Tonga(Nukualofa)" />
+</DSTData>
diff --git a/resources/templates/provision/yealink/cp860/y000000000037.cfg b/resources/templates/provision/yealink/cp860/y000000000037.cfg
index 1b01b4a4e1..0ffcc89df9 100644
--- a/resources/templates/provision/yealink/cp860/y000000000037.cfg
+++ b/resources/templates/provision/yealink/cp860/y000000000037.cfg
@@ -484,7 +484,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1547,7 +1547,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/cp920/y000000000000.cfg b/resources/templates/provision/yealink/cp920/y000000000000.cfg
index 8f059d6908..a746c06f71 100644
--- a/resources/templates/provision/yealink/cp920/y000000000000.cfg
+++ b/resources/templates/provision/yealink/cp920/y000000000000.cfg
@@ -483,7 +483,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1546,7 +1546,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/cp960/y000000000000.cfg b/resources/templates/provision/yealink/cp960/y000000000000.cfg
index 2f2b4f9a0a..09b73e62f4 100644
--- a/resources/templates/provision/yealink/cp960/y000000000000.cfg
+++ b/resources/templates/provision/yealink/cp960/y000000000000.cfg
@@ -483,7 +483,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1546,7 +1546,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t19p/y000000000053.cfg b/resources/templates/provision/yealink/t19p/y000000000053.cfg
index 07c45148a4..055eb6b5f2 100644
--- a/resources/templates/provision/yealink/t19p/y000000000053.cfg
+++ b/resources/templates/provision/yealink/t19p/y000000000053.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1259,7 +1259,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t20p/y000000000007.cfg b/resources/templates/provision/yealink/t20p/y000000000007.cfg
index ba95e6ab42..6588b61c52 100644
--- a/resources/templates/provision/yealink/t20p/y000000000007.cfg
+++ b/resources/templates/provision/yealink/t20p/y000000000007.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1259,7 +1259,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t21p/y000000000052.cfg b/resources/templates/provision/yealink/t21p/y000000000052.cfg
index d9da0759ef..749f5f4701 100644
--- a/resources/templates/provision/yealink/t21p/y000000000052.cfg
+++ b/resources/templates/provision/yealink/t21p/y000000000052.cfg
@@ -425,7 +425,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1542,7 +1542,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t22p/y000000000005.cfg b/resources/templates/provision/yealink/t22p/y000000000005.cfg
index 702b3f5b90..6152713777 100644
--- a/resources/templates/provision/yealink/t22p/y000000000005.cfg
+++ b/resources/templates/provision/yealink/t22p/y000000000005.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1259,7 +1259,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t23g/y000000000044.cfg b/resources/templates/provision/yealink/t23g/y000000000044.cfg
index 2bdac60f29..6d72471634 100644
--- a/resources/templates/provision/yealink/t23g/y000000000044.cfg
+++ b/resources/templates/provision/yealink/t23g/y000000000044.cfg
@@ -465,7 +465,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1582,7 +1582,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t23p/y000000000044.cfg b/resources/templates/provision/yealink/t23p/y000000000044.cfg
index d45e2c45f5..adf39cd5de 100644
--- a/resources/templates/provision/yealink/t23p/y000000000044.cfg
+++ b/resources/templates/provision/yealink/t23p/y000000000044.cfg
@@ -465,7 +465,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1582,7 +1582,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t26p/y000000000004.cfg b/resources/templates/provision/yealink/t26p/y000000000004.cfg
index 80192d7efb..4417f41e8f 100644
--- a/resources/templates/provision/yealink/t26p/y000000000004.cfg
+++ b/resources/templates/provision/yealink/t26p/y000000000004.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1259,7 +1259,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t27g/y000000000069.cfg b/resources/templates/provision/yealink/t27g/y000000000069.cfg
index 70c52dccf7..6d95c2f5f9 100644
--- a/resources/templates/provision/yealink/t27g/y000000000069.cfg
+++ b/resources/templates/provision/yealink/t27g/y000000000069.cfg
@@ -464,7 +464,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1582,7 +1582,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t27p/y000000000045.cfg b/resources/templates/provision/yealink/t27p/y000000000045.cfg
index 7b7f267b9f..defe312497 100644
--- a/resources/templates/provision/yealink/t27p/y000000000045.cfg
+++ b/resources/templates/provision/yealink/t27p/y000000000045.cfg
@@ -465,7 +465,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1583,7 +1583,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t28p/y000000000000.cfg b/resources/templates/provision/yealink/t28p/y000000000000.cfg
index fe6cc3a3bd..6c15005011 100644
--- a/resources/templates/provision/yealink/t28p/y000000000000.cfg
+++ b/resources/templates/provision/yealink/t28p/y000000000000.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1241,7 +1241,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t29g/y000000000046.cfg b/resources/templates/provision/yealink/t29g/y000000000046.cfg
index ef1d097282..1342a76869 100644
--- a/resources/templates/provision/yealink/t29g/y000000000046.cfg
+++ b/resources/templates/provision/yealink/t29g/y000000000046.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1583,7 +1583,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t32g/y000000000032.cfg b/resources/templates/provision/yealink/t32g/y000000000032.cfg
index 6c1e42e8c2..383557dd2d 100644
--- a/resources/templates/provision/yealink/t32g/y000000000032.cfg
+++ b/resources/templates/provision/yealink/t32g/y000000000032.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1256,7 +1256,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t38g/y000000000038.cfg b/resources/templates/provision/yealink/t38g/y000000000038.cfg
index 52e93c203b..da0d703da3 100644
--- a/resources/templates/provision/yealink/t38g/y000000000038.cfg
+++ b/resources/templates/provision/yealink/t38g/y000000000038.cfg
@@ -716,7 +716,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1259,7 +1259,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/t40g/y000000000076.cfg b/resources/templates/provision/yealink/t40g/y000000000076.cfg
index 2662f6f3cb..d97c2c17dc 100644
--- a/resources/templates/provision/yealink/t40g/y000000000076.cfg
+++ b/resources/templates/provision/yealink/t40g/y000000000076.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1584,7 +1584,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t40p/y000000000054.cfg b/resources/templates/provision/yealink/t40p/y000000000054.cfg
index ab23eb4adf..468ad62189 100644
--- a/resources/templates/provision/yealink/t40p/y000000000054.cfg
+++ b/resources/templates/provision/yealink/t40p/y000000000054.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1565,7 +1565,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t41p/y000000000036.cfg b/resources/templates/provision/yealink/t41p/y000000000036.cfg
index ff575187eb..9a6f03b6cf 100644
--- a/resources/templates/provision/yealink/t41p/y000000000036.cfg
+++ b/resources/templates/provision/yealink/t41p/y000000000036.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1583,7 +1583,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t41s/y000000000068.cfg b/resources/templates/provision/yealink/t41s/y000000000068.cfg
index 84fd66c9f4..8685561767 100644
--- a/resources/templates/provision/yealink/t41s/y000000000068.cfg
+++ b/resources/templates/provision/yealink/t41s/y000000000068.cfg
@@ -1206,14 +1206,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t42g/y000000000029.cfg b/resources/templates/provision/yealink/t42g/y000000000029.cfg
index 1eb5e75039..a3c29dacd2 100644
--- a/resources/templates/provision/yealink/t42g/y000000000029.cfg
+++ b/resources/templates/provision/yealink/t42g/y000000000029.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1564,7 +1564,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t42s/y000000000067.cfg b/resources/templates/provision/yealink/t42s/y000000000067.cfg
index ce865f153c..832fcdb702 100644
--- a/resources/templates/provision/yealink/t42s/y000000000067.cfg
+++ b/resources/templates/provision/yealink/t42s/y000000000067.cfg
@@ -1204,14 +1204,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t46g/y000000000028.cfg b/resources/templates/provision/yealink/t46g/y000000000028.cfg
index d5a98869c8..2a4430c558 100644
--- a/resources/templates/provision/yealink/t46g/y000000000028.cfg
+++ b/resources/templates/provision/yealink/t46g/y000000000028.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1582,7 +1582,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t46s/y000000000066.cfg b/resources/templates/provision/yealink/t46s/y000000000066.cfg
index ace9e0a068..953a564878 100644
--- a/resources/templates/provision/yealink/t46s/y000000000066.cfg
+++ b/resources/templates/provision/yealink/t46s/y000000000066.cfg
@@ -1206,14 +1206,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t48g/y000000000035.cfg b/resources/templates/provision/yealink/t48g/y000000000035.cfg
index 50bfcc89cc..2ff25a4395 100644
--- a/resources/templates/provision/yealink/t48g/y000000000035.cfg
+++ b/resources/templates/provision/yealink/t48g/y000000000035.cfg
@@ -466,7 +466,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1563,7 +1563,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t48s/y000000000065.cfg b/resources/templates/provision/yealink/t48s/y000000000065.cfg
index f851095a8c..5233a94efa 100644
--- a/resources/templates/provision/yealink/t48s/y000000000065.cfg
+++ b/resources/templates/provision/yealink/t48s/y000000000065.cfg
@@ -1255,14 +1255,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t49g/y000000000051.cfg b/resources/templates/provision/yealink/t49g/y000000000051.cfg
index 1829c9e556..724e46f934 100644
--- a/resources/templates/provision/yealink/t49g/y000000000051.cfg
+++ b/resources/templates/provision/yealink/t49g/y000000000051.cfg
@@ -425,7 +425,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval = {$yealink_time_update}
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default); 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type = {$yealink_dst_type}
@@ -1523,7 +1523,7 @@ local_contact.data.url =
 #######################################################################################
 ##                                   Auto DST                                        ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 #######################################################################################
 ##                                   Dialplan Now                                    ##
diff --git a/resources/templates/provision/yealink/t52s/y000000000074.cfg b/resources/templates/provision/yealink/t52s/y000000000074.cfg
index 7267c8a21a..f8bceed792 100644
--- a/resources/templates/provision/yealink/t52s/y000000000074.cfg
+++ b/resources/templates/provision/yealink/t52s/y000000000074.cfg
@@ -1204,14 +1204,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t53w/y000000000095.cfg b/resources/templates/provision/yealink/t53w/y000000000095.cfg
index 006102cb87..a576003307 100644
--- a/resources/templates/provision/yealink/t53w/y000000000095.cfg
+++ b/resources/templates/provision/yealink/t53w/y000000000095.cfg
@@ -1348,14 +1348,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##       
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t54s/y000000000070.cfg b/resources/templates/provision/yealink/t54s/y000000000070.cfg
index c392bb6a1b..af932198f1 100644
--- a/resources/templates/provision/yealink/t54s/y000000000070.cfg
+++ b/resources/templates/provision/yealink/t54s/y000000000070.cfg
@@ -1201,14 +1201,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t54w/y000000000096.cfg b/resources/templates/provision/yealink/t54w/y000000000096.cfg
index a2f08557f7..4652f61806 100644
--- a/resources/templates/provision/yealink/t54w/y000000000096.cfg
+++ b/resources/templates/provision/yealink/t54w/y000000000096.cfg
@@ -1348,14 +1348,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##       
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t56a/{$mac}.cfg b/resources/templates/provision/yealink/t56a/{$mac}.cfg
index c9489591b5..ed14c9ca0f 100644
--- a/resources/templates/provision/yealink/t56a/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t56a/{$mac}.cfg
@@ -2960,7 +2960,7 @@ local_time.interval =
 ##It enables or disables daylight saving time (DST) feature.
 ##0-Disabled,1-Enabled,2-Automatic.
 ##The default value is 2.
-local_time.summer_time = 
+local_time.summer_time = {$yealink_summer_time}
 
 ##It configures the way DST works when DST feature is enabled.
 ##0-DST By Date ,1-DST By Week.
@@ -3002,7 +3002,7 @@ local_time.manual_time_enable =
 ##The default value is 0.
 local_time.manual_ntp_srv_prior =
 
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/t57w/y000000000097.cfg b/resources/templates/provision/yealink/t57w/y000000000097.cfg
index fd897f07bb..ee5eb1e18c 100644
--- a/resources/templates/provision/yealink/t57w/y000000000097.cfg
+++ b/resources/templates/provision/yealink/t57w/y000000000097.cfg
@@ -1348,14 +1348,14 @@ phone_setting.missed_call_power_led_flash.enable = {$yealink_missed_call_power_l
 ##                                  Time&Date                                        ##       
 #######################################################################################
 lcl.datetime.date.format =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 local_time.manual_time_enable =
 local_time.manual_ntp_srv_prior =
 local_time.time_format = {$yealink_time_format}
 local_time.date_format = {$yealink_date_format}
 local_time.dhcp_time = {$yealink_dhcp_time}
 
-local_time.summer_time = {$yealink_dst_enable}
+local_time.summer_time = {$yealink_summer_time}
 local_time.dst_time_type = {$yealink_dst_type}
 local_time.start_time = {$yealink_time_zone_start_time}
 local_time.end_time = {$yealink_time_zone_end_time}
diff --git a/resources/templates/provision/yealink/t58v/{$mac}.cfg b/resources/templates/provision/yealink/t58v/{$mac}.cfg
index a125c99d93..db8b835f64 100644
--- a/resources/templates/provision/yealink/t58v/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t58v/{$mac}.cfg
@@ -2960,7 +2960,7 @@ local_time.interval =
 ##It enables or disables daylight saving time (DST) feature.
 ##0-Disabled,1-Enabled,2-Automatic.
 ##The default value is 2.
-local_time.summer_time = 
+local_time.summer_time = {$yealink_summer_time}
 
 ##It configures the way DST works when DST feature is enabled.
 ##0-DST By Date ,1-DST By Week.
@@ -3001,7 +3001,7 @@ local_time.manual_time_enable =
 ##The default value is 0.
 local_time.manual_ntp_srv_prior =
 
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 
 
 #######################################################################################
diff --git a/resources/templates/provision/yealink/vp530/y000000000023.cfg b/resources/templates/provision/yealink/vp530/y000000000023.cfg
index 618a73da80..f59729148f 100644
--- a/resources/templates/provision/yealink/vp530/y000000000023.cfg
+++ b/resources/templates/provision/yealink/vp530/y000000000023.cfg
@@ -616,7 +616,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -1040,7 +1040,7 @@ server_certificates.delete =
 ##  Local Contact/DST Time/Dialnow Rule/Replace Rule                                 ##
 #######################################################################################
 local_contact.data.url =
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_dialnow.url =
 dialplan_replace_rule.url =
 
diff --git a/resources/templates/provision/yealink/w52p/y000000000025.cfg b/resources/templates/provision/yealink/w52p/y000000000025.cfg
index e5ac1a0edf..585fc99612 100644
--- a/resources/templates/provision/yealink/w52p/y000000000025.cfg
+++ b/resources/templates/provision/yealink/w52p/y000000000025.cfg
@@ -234,7 +234,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -357,7 +357,7 @@ server_certificates.delete =
 #######################################################################################
 ##                                   Local Contact/DST Time/Replace Rule             ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_replace_rule.url =
 blacklist.url =
 handset.X.contact_list.url =
diff --git a/resources/templates/provision/yealink/w56p/y000000000025.cfg b/resources/templates/provision/yealink/w56p/y000000000025.cfg
index bd647fb5dd..8657569475 100644
--- a/resources/templates/provision/yealink/w56p/y000000000025.cfg
+++ b/resources/templates/provision/yealink/w56p/y000000000025.cfg
@@ -234,7 +234,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -357,7 +357,7 @@ server_certificates.delete =
 #######################################################################################
 ##                                   Local Contact/DST Time/Replace Rule             ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_replace_rule.url =
 blacklist.url =
 handset.X.contact_list.url =
diff --git a/resources/templates/provision/yealink/w60b/y000000000077.cfg b/resources/templates/provision/yealink/w60b/y000000000077.cfg
index 1fc37f9e4a..ad4c3ed1dc 100644
--- a/resources/templates/provision/yealink/w60b/y000000000077.cfg
+++ b/resources/templates/provision/yealink/w60b/y000000000077.cfg
@@ -234,7 +234,7 @@ local_time.ntp_server2 = {$ntp_server_secondary}
 local_time.interval =
 
 #Configure the daylight saving time feature; 0-Disabled, 1-Enabled, 2-Automatic (default);
-local_time.summer_time =
+local_time.summer_time = {$yealink_summer_time}
 
 #Configure the DST type when the DST feature is enabled; 0-By Date (default), 1-By Week;
 local_time.dst_time_type =
@@ -357,7 +357,7 @@ server_certificates.delete =
 #######################################################################################
 ##                                   Local Contact/DST Time/Replace Rule             ##
 #######################################################################################
-auto_dst.url =
+auto_dst.url = {$yealink_auto_dst_url}
 dialplan_replace_rule.url =
 blacklist.url =
 handset.X.contact_list.url =