diff --git a/resources/templates/provision/yealink/t46s/y000000000066.cfg b/resources/templates/provision/yealink/t46s/y000000000066.cfg
index 7882f8dc8f..ed1eef09fe 100644
--- a/resources/templates/provision/yealink/t46s/y000000000066.cfg
+++ b/resources/templates/provision/yealink/t46s/y000000000066.cfg
@@ -710,17 +710,17 @@ local_contact.icon.url=
 remote_phonebook.data.1.name = {$yealink_remote_phonebook_1_name}
 remote_phonebook.data.1.url =  {$yealink_remote_phonebook_1_url}
 
-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
 
 remote_phonebook.data.2.name = {$yealink_remote_phonebook_2_name}
 remote_phonebook.data.2.url =  {$yealink_remote_phonebook_2_url}
 
-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
 
 remote_phonebook.data.3.name = {$yealink_remote_phonebook_3_name}
 remote_phonebook.data.3.url =  {$yealink_remote_phonebook_3_url}
 
-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
 
 remote_phonebook.data.4.name = {$yealink_remote_phonebook_4_name}
 remote_phonebook.data.4.url =  {$yealink_remote_phonebook_4_url}