Summary

Many cable television operators are upgrading their facilities to provide two-way capability and 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 a variety of time‑critical services. This Recommendation is one of a series of Recommendations required to achieve this goal. It provides a network-based call signalling protocol necessary to establish connections.