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Supplement 55 to ITU-T Q-series Recommendations describes the general signalling requirements at the interface between AS-FE and S-CSC-FE for session-based services of NGN release 1.
Supplement 55 to ITU-T Q-series Recommendations describes the general signalling requirements at the interface between AS-FE and S-CSC-FE for session-based services of NGN release 1.