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EIA/TIA-470.140:2018
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EIA/TIA-470.140:2018
Telecommunications Telephone Terminal Equipment Analog Telephone Acoustic Echo Canceller Test Methods and Performance RequirementsMore info
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.