Smith On VoIP’s Word/Phrase of the Day is Quality of Service (QoS).
Quality of Service (QoS) can mean many different things, but when spoken in the context of Voice over IP, it is used to described subscriber satisfaction with of all imperfections affecting the service. Typically network elements (or imperfections) such as availability (uptime), bandwidth (throughput), latency (delay), and error rate are discussed. QoS is important due to the need to prioritize VoIP packets in order to ensure optimal call quality.
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