Sony SPP-IM977 - Manual (Page 61)

Caller ID Features
61 US Caller ID Features
Using visual message waiting service
If you subscribe to your telephone company’s message service which
includes this feature, the display will show that you have messages
waiting to be retrieved.
If you have messages
The MESSAGES lamp on the base phone
flashes.
The MESSAGES lamp will go off when you
retrieve your messages.
Note
You cannot use this feature, if you have not subscribed to your telephone
company’s message service.
For details on the availability of this service, please ask your telephone
company.
If the MESSAGES lamp remains flashing
If this lamp does not go off (e.g. When you retrieve your messages
with other phones), you can go off the lamp manually.
To go off the MESSAGES lamp
1
Press (PGM) on the handset.
2
Press (#) on the handset.
3
Press Jog Dial.
The MESSAGES lamp on the base phone goes
off, and you will hear a long confirmation beep.
MESSAGES lamp
MESSAGES WAITING
LIGHT-OFF RESET
continued