User Guide for the SIP-T48G IP Phone90After updating, the contacts you add, edit, delete on the mobile phone will sync to themobile contacts directory.NoteRemote Phone BookYou can add contacts to the local directory, search for a contact, or simply dial a contact numberfrom the remote phone book.You can configure your new phone to access up to 5 remote phone books. For the access URL ofthe remote phone book, contact your system administrator.For operating instructions on placing calls to and/or searching for contacts in the remote phonebook, refer to the operating instructions of Placing Calls to Contacts on page 81 and/orSearching for Contacts on page 82.Configuring an Access URLTo configure an access URL for a remote phone book via web user interface:1. Click on Directory->Remote Phone Book.2. Enter the access URL in the Remote URL field.3. Enter the name in the Display Name field.4. Enter the desired refresh period in the Update Time Interval(Seconds) field.The default value is 21600.5. Click Confirm to accept the change.Note An access URL for a remote phone book is configurable via web user interface only.The size of a remote phone book file should be less than 1.5M. We recommend you to downloadless than 5000 remote contacts from the remote server.If you disconnect the mobile phone from IP phone when the IP phone is updating the mobilephone book, the touch screen will prompt “Fail to download mobile contacts!”, and the mobilecontacts directory will disappear from the IP phone directory list.