Unified Comms

A Policy-Based Admission Control Scheme for Voice Over IP Networks

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Executive Summary

Voice and video transmission over telecommunication networks requires specific performance quality. If such quality is not maintained, the receiving end will then suffer-e.g., the received video freezes or there will be unacceptable delay in voice. Similarly, transmitting voice over IP networks will have the same challenge. With this in mind, a call admission controller in VoIP networks is needed to maintain voice quality over a limited bandwidth link. Call admission control will determine if a call will be accepted or rejected based on network resource availability.

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