ISO 21991 Information Technology - Telecommunications and Information Exchange Between Systems - Corporate Telecommunication Networks - Signalling Interworking Between QSIG and H.323 - Call Completion Supplementary Services
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ISO 21991 Document Information:
Title
Information Technology - Telecommunications and Information Exchange Between Systems - Corporate Telecommunication Networks - Signalling Interworking Between QSIG and H.323 - Call Completion Supplementary Services
International Organization for Standardization
Publication Date:
Jun 15, 2002
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