TBR-017 Business Telecommunications; Ordinary and Special Quality Voice Bandwidth 4-Wire Analo

TBR-017 - 1997 EDITION - CURRENT



Business Telecommunications; Ordinary and Special Quality Voice Bandwidth 4-Wire Analo


ORDER



Document Number

TBR-017

Revision Level

1997 EDITION

Status

Current

Publication Date

Jan. 1, 1997