HTC 612 Receiving calls

Receiving calls
When you receive a phone call from a contact, the Incoming call screen
appears.
HTC Desire 612 will automatically adjust the ringtone volume when
you use the polite ringer and pocket mode features.
Answering or rejecting a call
Do one of the following:
§If the display is on when you get a call, tap Answer or Decline.
§If the display is locked when you get a call, drag or upwards.
§Press the POWER button twice to reject a call.
Muting the ringing sound without rejecting the call
Do one of the following:
§Press the VOLUME DOWN or VOLUME UP button.
§Press the POWER button.
§Place HTC Desire 612 face down on a level surface.
If HTC Desire 612 is already facing down, it will still ring when there
are subsequent incoming calls.
118 Phone calls