A growing number of large enterprises are currently making the switch to IP Telephony, generally with hardware equipment from Cisco® or Avaya®. In most instances however they still use the local operator for outside telephone calls. They thus miss the savings that are possible with a VoIP operator such as Cavoon.

As illustrated in the diagram below a relatively simple Cavoon Gateway is enough to connect an existing PBX to the Cavoon network. Each company has the choice between the traditional ISDN or the Cavoon VoIP connections to reach a number on the PSTN. In addition all group companies are interconnected via secured links.

Benefits:

• All Group extensions in the world call each other for free.
• A private numbering plan can be easily implemented.
• Each company benefits from the functionalities of its own PBX.
• All extensions call the outside world at the cheapest rate via either ISDN or VoIP.
• The Group saves a lot of money on long distance calls thanks to the low Cavoon rates.

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