Vocoder selection method

Details Vocoder selection method Vocoder selection method

2006-12-12

2006-12-12

Tieu, Benny Q. (Department: 2614)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S517000

Reexamination Certificate

active

07149515

ABSTRACT:
Transcoding needs and selection are performed by a central call control function (17, 35). Each transcoder (18, 23, 34, 36) registers with the appropriate call control (17, 35). The call control then determines whether a vocoder is required at all. If vocoding is required, call control (17, 35) selects the appropriate transcoder (18, 34) and inserts the appropriate transcoder into the bearer traffic stream (16).

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