diff --git a/resources/templates/provision/yealink/t21p/{$mac}.cfg b/resources/templates/provision/yealink/t21p/{$mac}.cfg
index f6e72e3213..36cf5e5d95 100644
--- a/resources/templates/provision/yealink/t21p/{$mac}.cfg
+++ b/resources/templates/provision/yealink/t21p/{$mac}.cfg
@@ -357,7 +357,7 @@ account.1.conf_uri =
 ##                            cid_source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.1.cid_source = 1
+account.1.cid_source = {$yealink_cid_source}
 
 account.1.cid_source_privacy = 1
 account.1.cid_source_ppi = 1
@@ -823,7 +823,7 @@ account.2.conf_uri =
 ##                            cid source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.2.cid_source = 1
+account.2.cid_source = {$yealink_cid_source}
 
 account.2.cid_source_privacy = 1
 account.2.cid_source_ppi = 1
@@ -1333,7 +1333,7 @@ account.3.conf_uri =
 ##                            cid source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.3.cid_source = 1
+account.3.cid_source = {$yealink_cid_source}
 
 account.3.cid_source_privacy = 1
 account.3.cid_source_ppi = 1
@@ -1826,7 +1826,7 @@ account.4.conf_uri =
 ##                            cid source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.4.cid_source = 1
+account.4.cid_source = {$yealink_cid_source}
 
 account.4.cid_source_privacy = 1
 account.4.cid_source_ppi = 1
@@ -2318,7 +2318,7 @@ account.5.conf_uri =
 ##                            cid source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.5.cid_source = 1
+account.5.cid_source = {$yealink_cid_source}
 
 account.5.cid_source_privacy = 1
 account.5.cid_source_ppi = 1
@@ -2809,7 +2809,7 @@ account.6.conf_uri =
 ##                            cid source                                             ##
 #######################################################################################
 #Configure the type of SIP header(s) to carry the caller ID; 0-FROM (default), 1-PAI 2-PAI-FROM, 3-PRID-PAI-FROM, 4-PAI-RPID-FROM, 5-RPID-FROM;
-account.5.cid_source = 1
+account.6.cid_source = {$yealink_cid_source}
 
 account.6.cid_source_privacy = 1
 account.6.cid_source_ppi = 1