E.820�:�Call models for serveability and service integrity performance

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E.820�:�Call models for serveability and service integrity performance �

Recommendation E.820

In force components
Number	Title	Status
E.820 (10/92) �	Call models for serveability and service integrity performance �	In force
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Superseded and Withdrawn components
Number	Title	Status
E.810 (11/88) �	Model for the serveability performance on a basic call in the telephone network � Renumbered E.820 when revised in 1992	Superseded

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