- LANCOM connected to the LAN and WAN, an ISDN TE interface is linked to the ISDN NTBA. The Internet connection has been set up.
- A dialing plan with a unique internal telephone number for all terminal equipment to be connected, here, for example, the number 11 for the VoIP softphone and the number 12 for the VoIP telephone.
- A SIP provider account.
LANCOM Systems GmbH | A Rohde & Schwarz Company | Adenauerstr. 20/B2 | 52146 Wuerselen | Germany | E‑Mail info@lancom.de
