Quality of Service

1. The performance specification of a communications Channel or system which may be quantitatively indicated by channel or system performance parameters such as signal-to-noise ratio, Bit error rate, message throughput rate, and call Blocking probability. 2. A subjective rating of telephone communications quality in which listeners judge transmissions by qualifiers such as excellent, good, fair, poor, or unsatisfactory.

Related Terms
Beam Quality,   Quality of Service,   Service Channel,   Service rating,  

External links for Quality of Service
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Quality of Service on The Free Dictionary

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