This example shows how to configure a R&S®NC device when an upstream ISDN PBX is enhanced with the VoIP telephony capability. Until now, the MSNs 11 to 13 for the ISDN connection have been used for two ISDN telephones and one analog fax.
Note: The PBX is configured so that subscribers dial 0 to access an outside line.
The R&S®NC device is operated on an ISDN PBX extension line.
