Summary

Many cable television operators are upgrading their facilities to provide two-way capability, and are using this capability to provide high-speed IP data services per ITU-T J.83 and ITU-T J.112. These operators now want to expand the capability of this delivery platform to include bidirectional voice communication and other time-critical services. This Recommendation is one of a series of Recommendations required to achieve this goal. It provides guidance on audio (voice) codec selection that will provide for a high-quality, interoperable service.