If an incoming external call is directed to an ISDN user, this prefix is added to the calling party ID, if available. If a line prefix is defined, this is placed in front of the whole of the called number.
- SNMP ID:
- 2.33.3.2.4
- Console path:
- Setup > Voice-Call-Manager > Users > ISDN-User
- Possible values:
Max. 15 characters from [0-9]*
- Default:
- empty
