User Guide for T5 Series IP Phones 
72 
authorized first to temporarily synchronize the contacts stored on your mobile phone. 
 
After updating, the contacts you add, edit, delete on the mobile phone will sync with the 
Mobile Contacts directory. 
Note 
Remote Phone Book 
You can add contacts to the local directory, search for a contact, or simply dial a contact from 
the remote phone book. 
You can configure your IP phone to access up to 5 remote phone books. 
For how to place calls to and/or search for contacts in the remote phone book, refer to Placing 
Calls to Contacts and/or Searching for Contacts. 
Configuring an Access URL 
Procedure: 
1.  Click Directory->Remote Phone Book. 
2.  Enter the access URL in the Remote URL field. 
3.  Enter the name in the Display Name field. 
   
If you disconnect the mobile phone from IP phone when the IP phone is updating the Mobile 
Contacts directory, the LCD screen will prompt “Fail to download mobile contacts!”, and the 
mobile contacts will disappear from the IP phone directory list.