COMpact 5000/R - Firmware V6.6A - Installation, Operation and Configuration V05 03/2016
151
Telephoning
Unsuccessful Outgoing Calls
Initiating External Callback on No Response
Note:
If you do not pick up the receiver within the 20 seconds during which
the PBX calls you, the callback request will be deleted.
If you pick up the receiver, the subscriber will be called.
Initiating External Callback on No Response
Requirements:
•
Fulfilling the technical requirements for a callback on no response (for instance, not all
network providers provide callback on a PTP connection)
•
Service feature CCNR (callback on no response) is enabled by the network provider.
•
Use of an external S
0
port for the call (optional, see chapter Important Information > Product
Details > Basic Assembly and Extensions)
If no one answers on the connection you are calling, proceed as follows:
Important:
On system telephones, this function is called via the menu/phone app
(optional, see manual for the telephone).
To use this function at ISDN telephones or to delete it again, this function
must be supported via a function key or via the menu by the respective
telephone (optional, see manual for the telephone).
Note:
You can also use this function on analogue telephones, where it can
be performed via the T-Net function key/menu (optional, see manual for the
telephone). Instead of the announcement by the central office, you will hear
the confirmation tone.
1. Press the
Flash key
or the
Query key
.
2. Dial
*37#
.
You will hear the confirmation tone.
Note:
If you do not hear a confirmation tone, the callback request was
rejected by the central office.