Quality of service. An indicator of the performance of a transmission system on the Internet and other networks. QoS is measured in transmission rate, error rates, latency, and other characteristics, and can to some extent be guaranteed to a customer in advance. Asynchronous Transfer Mode technology supports QoS levels as do Lucent's new PacketStar® IP Switch. Queuing The act of "stacking" or holding calls to be answered by a specific person, trunk, or trunk group. |
