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In this model the
is deployed both in the headquarters and the branch offices. In a private network the foremost issue is the security risk of attacks on infrastructure from inside the enterprise network. Another problem in a distributed model is incompatibility issues due to use of IP PBXs from multiple vendors which do not interwork.
Sonus Ribbons deployed in the private network borders protects and controls the private enterprise borders from internal security risks and incompatibility issues.
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