telecommunications Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...

, the Network Effectiveness Ratio (NER) measures the ability of a

network Network, networking and networked may refer to: Science and technology * Network theory, the study of graphs as a representation of relations between discrete objects * Network science, an academic field that studies complex networks Mathematics ...

to deliver a call to the called terminal. Busy signals and other call failure due to user behaviour are counted as "successful call delivery" for NER calculation purposes. Unlike

ASR The Asr prayer ( ar, صلاة العصر ', "afternoon prayer") is one of the five mandatory salah (Islamic prayer). As an Islamic day starts at sunset, the Asr prayer is technically the fifth prayer of the day. If counted from midnight, it is ...

, NER excludes the effects of customer and terminal behaviour. NER is a measure of network quality defined by the ITU.ITU-T Recommendation E.425

NER = 100  \ \frac

In general, the Network Effective Ratio is used to calculate the effectiveness of the internal interconnect routes.

References

Telephony {{telephony-stub

See also

References