Technical data

Table Of Contents
488 COMpact 3000 analog/ISDN/VoIP - Firmware Version 4.0 - Version of the Manual 03 02/11
Configuring and Managing the PBX
Transfer and Callback
Switching the CCNR Option for External Callers On/Off
Requirements:
External S
0
port (only COMpact 3000 ISDN or COMpact ISDN module available as an
option) in the connection type point-to-point connection
Service feature CCNR (callback on no reply) is enabled by the network provider.
Configuration manager, opened with sufficient authorization
Expert view (click )
Configured prefixes (country prefix and local area code)
1. Open the page CONFIGURATION > External numbers.
2. In the list field at the top, select the ISDN connection in question.
A page opens for configuring the ISDN connection.
3. Open the page ISDN connection > Name and functions.
4. Select or clear the CCNR check box.
Important: If the function is enabled although the network provider does not
support the function (the service attribute has not been enabled), it is possible
that a caller may be offered the callback option. However, the caller's
response is not forwarded to the PBX and the function is not executed.
Further steps:
Save your settings before you leave the page.
Enables the CCNR option for external callers.
Disables the CCNR option for external callers.