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How to set Smart dial?

How to enable or disable call barring?

Can I change the way of  answering and hanging up calls?

Can I set an emergency number on Lock screen interface?

How to enable Call waiting?

How to make a conference call?

What is the call barring password?

How to turn on Record calls automatically?

Do our phones have the auto redial function?

What is call forwarding?

How to set the default calling card?

Can I answer the phone call in landscape mode?

How to record custom calls automatically?

How to set to Push the power button to end the call?

How to disable or enable call forwarding?

What should I do if I forget the call barring password?