SANS 201729 Ed. 1 (2005)被替代
Public Switched Telephone Network (pstn); 2-wire Analogue Voice Band Switched Interfaces; Timed Break Recall (register Recall); Specific Requirements For Terminals
出版：South African Bureau of Standards
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基本信息
标准编号： SANS 201729 Ed. 1 (2005)
发布时间：2005/8/26 0:00:00
标准类别：Standard
出版单位：South African Bureau of Standards
标准页数：11
标准简介
Describes the technical characteristics (electrical interface requirements) to be provided by Terminal Equipment (TE) to be connected to a 2-wire analogue interface of the PSTN or equivalent interfaces at which network register recall facility is intended to be performed by means of a timed break recall signal, insofar as they are particular to this signalling function.
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