Sony SCT-ID10 - Manual (Page 11)

Ustng Caller ID with
call waiting service
In order to use the "Caller ID with call waiting"
service, you need to subscribe to a telephone
company which offers Caller ID service
combined with "call waiting" service.
When a new call comes in, the name or the
phone number of the new caller appears on the
display.
Before you use this feature, make sure that you
have subscribe to both Caller ID service and "call
waiting" service with your telephone company
and also ask the company if it offers Caller ID
service combined with "call waiting" service.
When a new call comes in while you are talking,
you hear two short beeps from the handset and
the volume is momentarily muted. "CALL
WAITING "appears on the display with a short
beep from the speaker of the base unit and then
the caller's name or phone number of the new
call appears on the display for about 20 seconds.
1 When you want to switch to a new call,
press CALL WAITING/FLASH.
The current caller is put on hold and you can
answer the new call.
2 When you want to switch back to the
first caller, press CALL WAITING/
FLASH again.
Pressing CALL WAITING/FLASH lets you
switch between the two calls.
If you have not subscribed to
"Caller ID with call waiting" service
Proceed as follows:
1 Press PROGRAM.
2 Press CALL WAITING/FLASH for 2
seconds.
"Caller ID with call waiting is OFF"
appears on the display.
When you subscribe to this service later, set
the phone ON for the service by following
the same steps.
Note
If CALL WAITING/FLASH is pressed when there
is no new incoming call, the call will be
disconnected.