Telephoning
Outgoing Calls
Dialling a Telephone Number on Direct Exchange Line Access
Once you have finished dialling the telephone number, the subscriber will be called.
The telephone number display suppression has been enabled for this call.
Note:
You can also use this function on analog telephones, where it can be
performed via the T-Net function key/menu (see manual for the telephone).
On some ISDN telephones and on the COMfortel 1100/1500/2500/2500 AB/
VoIP 2500 AB system telephones, this function can also be called via an
existing function key or via the menu (see manual for the telephone).
Dialling a Telephone Number on Direct Exchange Line Access
Requirements:
– The subscriber has a direct exchange line access (as delivered ex-factory).
In order to dial an external telephone number on a direct exchange line access point, pick up
the receiver and enter the external telephone number without the exchange line access
number.
In order to make other types of calls (e. g. internal or short-code), proceed as described in the
following.
1. Pick up the receiver.
2. Dial **.
3. Enter an internal telephone number.
Once you have finished dialling the telephone number, the subscriber will be called.
Options for Unsuccessful Calls
The following options are available for unsuccessful calls:
Initiating Callback on Busy
If you cannot get through to a busy subscriber despite repeated attempts, you can initiate a
callback on busy. The PBX supports the service attribute "Automatic callback on busy (CCBS)".
This service attribute is required for an external call.
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COMpact 3000 analog/ISDN/VoIP - Firmware Version 4.0 - Version of the Manual 03 02/11