ITU-T P.75-1989
Standard Conditioning Method for Handsets with Carbon Microphones - Telephone Transmission Quality (Study Group XII) 1 pp

Standard No.

ITU-T P.75-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T P.75-1989

Scope

A speech path is, broadly, a transmission path that exists between a talker’s mouth and the ear of a listener or, in the case of sidetone, between the mouth and ear of a talker.

ITU-T P.75-1989 history

• 1989 ITU-T P.75-1989 Standard Conditioning Method for Handsets with Carbon Microphones - Telephone Transmission Quality (Study Group XII) 1 pp