Callback On Busy (Ccbs) / On No Answer (Ccnr) - Siemens Gigaset SX303isdn User Manual

The temporarily set send MSN is displayed as the phone number for
◆
i the person you are calling.
To make this function easier to use, you can also set one of the
◆
function keys accordingly (page 117).
You can set up your base station so that after lifting the receiver or pressing the
handsfree key d a list of all available send MSNs is displayed (page 97).

Callback on busy (CCBS) / on no answer (CCNR)

Precondition: The exchange supports this service.
Callback on busy – CCBS (Completion of calls to busy subscriber)
The user you are calling is currently making a call. Automatic callback saves you making
repeated attempts to dial the number.
Callback on no answer – CCNR (Completion of Calls No Reply)
If the user you are calling does not answer you can arrange automatic callback. As soon
as the user you require has finished a call and the line is free again you will be called
back. The callback request is automatically cancelled after about 2 hours (depending on
the exchange).
Activating callback
The number you are calling is busy or your call is not answered:
[RRRRRRRRRRRRRRRRRRRRRRRRRR ]
CALLBCK
Accepting a callback
The base station rings with a special ringer tone and the display shows the callback
number.
c
Press the display key.
Wait for confirmation from the exchange.
Lift the receiver. The connection is established.
Making calls
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