TIA-470.140-2018
Telecommunications Telephone Terminal Equipment Analog Telephone Acoustic Echo Canceller Test Methods and Performance Requirements

Standard No.

TIA-470.140-2018

Release Date

2018

Published By

TIA - Telecommunications Industry Association

Scope

This standard provides acoustic echo canceller (AEC) performance requirements for analog telephones with handsets@ headsets and speakerphones that connect to the Public Switched Telephone Network (PSTN) and Analog Terminal Adaptors (ATA). These requirements should ensure compatibility and satisfactory performance to the user in a high percentage of installations