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ITU-T I.357 B-ISDN semi-permanent connection availability
ITU-T H.450.9 Call completion supplementary services for H.323
ITU-T F.703 Multimedia conversational services
ITU-T F.700 Framework Recommendation for multimedia services
ITU-T F.701 Guideline Recommendation for identifying multimedia service requirements
ITU-T H.248.6 Gateway control protocol: Dynamic Tone Definition package
ITU-T I.366.2 AAL type 2 service specific convergence sublayer for narrow-band services
ITU-T I.363.2 B-ISDN ATM Adaptation Layer specification : Type 2 AAL
ITU-T Y.1231 IP Access Network Architecture
ITU-T Y.1001 IP framework - A framework for convergence of telecommunications network and IP network technologies
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