The central position of the LANCOM VoIP router

LANCOM VoIP routers take up a central position in the switching of telephone calls between internal and external subscribers over the different channels of communication. Depending on the model and equipment, the devices interconnect the following communication participants and channels into a common telephone infrastructure.

  1. Internal VoIP terminal devices connected to LAN, WLAN and DMZ, such as SIP telephones and SIP softphones
  2. The internal ISDN infrastructure with ISDN PBX and ISDN telephones
  3. Analog terminal devices, internally connected either into the ISDN network via a PBX with a/b ports, or alternatively into the VoIP network over an ATA (Analog Telephone Adapter).
  4. External SIP providers and all of the external subscribers attainable through them
  5. Upstream SIP PBXs with all of the internal and external subscribers reachable through them
  6. The external ISDN world via ISDN NTBA or upstream ISDN PBX, and all of the external subscribers available via the land-line network




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