• ITU Q.733 : 1993

    View Superseded By
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING SIGNALLING SYSTEM NO. 7

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

    Published: 

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