Requirements
- LANCOM Connected to LAN and WAN (via DSL/ADSL), ISDN-TE interface(s)
are connected to the ISDN connection, ISDN-NT interface(s) are connected
to an ISDN PBX or the ISDN terminal devices.
- The Internet connection has been set up by means of a VPN tunnel,
as has the network connection between the two locations. All terminal
devices can contact each other with the IP addresses used.
- A dialing plan with a unique internal telephone number for each piece
of terminal equipment to be connected.