QoS Bandwidth Management

As Voice over IP (VoIP) emerges as the future of voice communications, questions remain about its quality and security. Put simply, the actual capacity of an IP network to carry voice is poorly defined and not well understood. Congestion, packet loss and delays in an IP network can adversely affect the Quality of Service (QoS) for the subscribers. Therefore, mechanisms to manage bandwidth usage must be utilised to maximise the service quality. The bandwidth calculation 'Per call' is simple; however, meshed, router networks are not. It is not always clear how to use these figures to produce a deterministic and consistent VoIP service.