This standard establishes telephone audio performancerequirements, measurement methods, and test procedures fortelephones with high receive gain and control of the receivefrequency spectrum. This standard addresses audio performance innarrow band telephony frequencies using scientific methods andtechniques derived or adapted from current telephone measurementstandards. Narrow band is defined as the frequency range between300 and 3400 Hz.
The current revision of this document addresses analog interfacetelephones designed for connection to the PSTN (Public SwitchedTelephone Network). PSTN connected telephones have a narrow bandfrequency range. Future revisions of this standard may address VoIPand other digital interface telephones including wide bandtelephones.
The current revision of this document addresses telephones witha handset. Future revisions of this standard may address othertelephone device types.
- Edition:
- 12
- Published:
- 05/01/2012
- Number of Pages:
- 50
- File Size:
- 1 file , 540 KB
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