With outgoing calls using this line, this prefix is placed in front of the calling number to create a complete telephone number that is valid for this line. With incoming calls this prefix is removed, if present.
SNMP ID: 2.33.4.2.1.9
Telnet path: /Setup/Voice-Call-Manager/Line/SIP-PBX/PBX
Possible Telnet values:
- Max. 9 numbers
Default: Blank