On "No Response" (Ccnr) - Snom 360 Manual

Advanced Functions
If you press the
in order to establish a connection to the other party.

On "no response" (CCNR)

When the phone rings and nobody answers your call, activate call
completion by pressing the CC soft key.
The phone will now wait for the dial destination to become active again.
If you wish to receive and make calls while you are waiting for call
completion, press
now shows the letters 'CC' in the lower left corner. Pressing
the call completion procedure.
When the other side is available again, the display will prompt you to
redial the number.
Be aware that the activity detection can only determine whether the
other party is using the phone or not. It will not be able to determine
that the person you want to reach has re-entered the room and is
sitting beside the phone ready to answer it!
42
/ keys, the phone will dial the number again
/ again to return to the idle screen which
cancels