當(dāng)前位置：
首頁(yè) >
標(biāo)準(zhǔn)詳情頁(yè)
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
專家解讀視頻
基本信息
標(biāo)準(zhǔn)編號(hào)： SANS 201729 Ed. 1 (2005)
發(fā)布時(shí)間：2005/8/26 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：South African Bureau of Standards
標(biāo)準(zhǔn)頁(yè)數(shù)：11
標(biāo)準(zhǔn)簡(jiǎn)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.
替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)
