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Unified communications (UC) are the lifeblood of any enterprise. UC relies on Voice over Internet Protocol (VoIP) as a foundation to build on. VoIP quality improvements have usually focused on how to encode and route voice traffic over IP networks. Alternatively, Codecs have focused on trading off compression with available bandwidth and recovering from packet losses to improve call quality.
Quality of Service (QoS) for VoIP differentiates traffic based on IP source addresses by giving higher priority to voice packets to improve quality. However, the quality of VoIP calls remains a major problem due to network impairments such as delay, jitter, and packet loss. And when packets are sent over the Internet in a software-defined wide-area network (SD-WAN) deployment, the problem of VoIP quality becomes more acute as the variations in network impairments can be large.
The 128T Session Smart Router addresses this issue by measuring delay, jitter, and packet loss between routers in the 128T network using Bidirectional Forwarding Detection (BFD). Mean Opinion Score, or MOS, is then used to classify traffic flows in the network as these impairments occur. This capability allows managed service providers to provide their customers with superior UC and contact center services, and it allows enterprises to provide their employees with unparalleled services that enable them to improve business operations.