ETSI TR 101 308-2001 Telecommunications and Internet Protocol Harmonization over Networks (TIPHON); Requirements Definition Study; SIP and H.323 Interworking (V1.1.1)
European Telecommunications Standards Institute (ETSI)
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ETSI TR 101 308-2001
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2001ETSI TR 101 308-2001 Telecommunications and Internet Protocol Harmonization over Networks (TIPHON); Requirements Definition Study; SIP and H.323 Interworking (V1.1.1)