36 CFR Part 1194 - Proposed Information and Communication Technology (ICT) Standards and Guidelines NPRM
C102.7.2 ITU-T Recommendation E.161.
Arrangement of digits, letters and symbols on telephones and other devices that can be used for gaining access to a telephone network, ITU – T Study Group 2, (February 2001), IBR proposed for Section 407.3.2.
Advisory C102.7 International Telecommunications Union Telecommunications Standardization Sector (ITU-T). G.722 is an ITU-T standard describing how to encode and compress wideband audio and decode it for playback. The G.722 coder-decoder program provides 7 kHz wideband audio at data rates from 48, 56, and 64 kbits/s. It is useful for voice over IP applications, where it provides high quality audio for video conferencing and PC-to-PC calls placed via VoIP services. E.161 defines the assignment of the basic 26 Latin letters (A to Z) to the 12-key telephone keypad.
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