Bang & Olufsen BeoTalk 1200 - User Guide - Manual (Page 40)

Sound signals
BeoTalk 1200 transmits the following sound signals in connection with remote control and calls to the answering machine:
39
Caller ID without name
Three brief tones
Access tone to record a message
Unbroken tone
Memory almost full
Tone interrupted at very high tempo
Memory full
Tone interrupted at slow tempo
Access tone for remote control
Tone interrupted at very high tempo
Remote control command accepted
Tone interrupted at very high tempo
Remote control rejected
Tone interrupted at high tempo
= sound signal
= pause
0 1 2 3 4 seconds