ITU-T-R.79 Automatic Tests of Transmission Quality on Telegraph Circuits Between Switching Centre

ITU-T-R.79 - 1988 EDITION - CURRENT



Automatic Tests of Transmission Quality on Telegraph Circuits Between Switching Centre


ORDER



Document Number

ITU-T-R.79

Revision Level

1988 EDITION

Status

Current

Publication Date

Nov. 1, 1988