How to set the default calling card?
How to make Video calling on my phone?
How to set Smart dial?
How to enable Call waiting?
What is the call barring password?
How to disable or enable call forwarding?
How to enable or disable call barring?
Do our phones have the auto redial function?
What should I do if I forget the call barring password?
Can I set an emergency number on Lock screen interface?
How to turn on Record calls automatically?
What is call forwarding?
How to record custom calls automatically?
Can I change the way of answering and hanging up calls?
How to make a conference call?
How to withdraw the messages I have already sent?
Can I answer the phone call in landscape mode?
How to set to Push the power button to end the call?