diff --git a/resources/templates/provision/yealink/t42g/y000000000029.cfg b/resources/templates/provision/yealink/t42g/y000000000029.cfg
index 32614d97d5..06ea9b9d41 100644
--- a/resources/templates/provision/yealink/t42g/y000000000029.cfg
+++ b/resources/templates/provision/yealink/t42g/y000000000029.cfg
@@ -540,7 +540,7 @@ remote_phonebook.data.1.name = Users
 {if isset($yealink_remote_phonebook_1_url) }
 remote_phonebook.data.1.url =  {$yealink_remote_phonebook_1_url}
 {else}
-remote_phonebook.data.1.url = http://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=users
+remote_phonebook.data.1.url = https://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=users
 {/if}
 
 {if isset($yealink_remote_phonebook_2_name) }
@@ -551,7 +551,7 @@ remote_phonebook.data.2.name = Groups
 {if isset($yealink_remote_phonebook_2_url) }
 remote_phonebook.data.2.url =  {$yealink_remote_phonebook_2_url}
 {else}
-remote_phonebook.data.2.url = http://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=groups
+remote_phonebook.data.2.url = https://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=groups
 {/if}
 
 {if isset($yealink_remote_phonebook_3_name) }
@@ -562,7 +562,7 @@ remote_phonebook.data.3.name = Extensions
 {if isset($yealink_remote_phonebook_3_url) }
 remote_phonebook.data.3.url =  {$yealink_remote_phonebook_3_url}
 {else}
-remote_phonebook.data.3.url = http://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=extensions
+remote_phonebook.data.3.url = https://{if isset($http_auth_username)}{$http_auth_username}:{$http_auth_password}@{/if}{$domain_name}/app/provision/?file=directory.xml&contacts=extensions
 {/if}
 
 remote_phonebook.data.4.name = {$yealink_remote_phonebook_4_name}