To answer the call, press the call key.
To mute the ringing tone of an incoming call, select Silence.
If you do not want to answer a call, press the end key. If you activate the Call forwarding > Voice calls > If busy function in phone settings to forward calls, declining an incoming call also forwards the call.
When you select Silence to mute the ringing tone of an incoming call, you can send a text message without rejecting the call, informing the caller that you cannot answer the call. Select Options > Send message.
To activate or deactivate rejecting calls with a text message, select Menu > Ctrl. panel > Settings and Phone > Call > Decline call with msg.. To edit the content of the message sent to the caller, select Message text.