To use during message playback:
1 = go back eight seconds
11 = return to start of message
111 = return to start of previous message
2 = pause/continue
3 = go forward eight seconds
33 = go to end of message
77 = erase rapidly while listening to message

To use following message playback:
5 = caller's number, time and date of call
7 = erase message
9 = save message