Practical methods for making laboratory measurements of electroacoustic characteristics of analog and digital telephones, handsets, and headsets are provided in this revised standard. The methods may also be applicable to a wide variety of other communications equipment, including cordless, wireless, and mobile communications devices. Measurement results may be used to evaluate these devices on a ...
IEEE Std 269-2002 history
1970IEEE Std 269-2019 IEEE Standard Method for Measuring Transmission Performance of Telephone Sets
2010IEEE Std 269-2010 IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets - Redline
2003IEEE Std 269-2002 IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets
1993IEEE Std 269-1992 IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets
1983IEEE Std 269-1983 IEEE Standard Method for Measuring Transmission Performance of Telephone Sets
1971IEEE Std 269-1971 IEEE Standard Method for Measuring Transmission Performance of Telephone Sets
1966IEEE 269-1966 Methods for Measuring Transmission Performance of Telephone Sets