As the VoIP implementation in the LANCOM VoIP router handles all calls as SIP calls, telephone numbers and SIP subscribers contain domain information. Furthermore, SIP numbers can also contain alphanumeric characters.
The SIP domains are used in LCOS as follows:
- When SIP subscribers register at upstream PBXs or at the LANCOM VoIP router itself.
- When SIP subscribers establish a connection.
LCOS supports the following defined domains:
- ISDN for the ISDN interfaces
- All domains that are entered for the lines
