UPDATE provisioning.voip_preferences
   SET attribute = 'peer_auth_user', usr_pref = 1,
   modify_timestamp = '1970-01-01 00:00:00'
 WHERE attribute = 'auth_user';

UPDATE provisioning.voip_preferences
   SET attribute = 'peer_auth_pass', usr_pref = 1,
   modify_timestamp = '1970-01-01 00:00:00'
 WHERE attribute = 'auth_pass';