Zte A139+ User Manual page 43

Divert All Data Calls: Divert all the data calls.
Cancel all Divert: Cancel all diverts services.
Call Barring: Set to bar the outgoing calls or incoming calls.
Line Switching: Switch between Line 1 or Line 2.
Call Time Reminder: This function enables a reminder several seconds after
connected or every several seconds during a call, or you can select "Off" instead to
turn it off.
Call Time Display: Select On/Off to display the call time or not.
Auto Redial: Select On/Off to redial if an unsuccessful dial takes place.
IP Number: You can edit three IP numbers and activate one. When you call a
number, select IP call to automatically add the activated IP number before the
phone number.
Network setup
In this menu, you can select Automatic/Manual to select the network service
provider according to requests.
If you select Automatic to choose a network provider, and then change the other
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