• ITU Q.735.6 : 1996

    Current The latest, up-to-date edition.

    STAGE 3 DESCRIPTION FOR COMMUNITY OF INTEREST SUPPLEMENTARY SERVICES USING SIGNALLING SYSTEM NO. 7 - GLOBAL VIRTUAL NETWORK SERVICE (GVNS)

    Publisher:  International Telecommunications Union (CCIR) and (CCITT)

    Published: 

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