DIN Standards Committee Information Technology and IT Applications
ISO/IEC 21991
Information technology; Telecommunications and information exchange between systems - Corporate telecommunication networks - Signalling interworking between QSIG and H.323; Call completion supplementary services
Informationstechnik - Telekommunikation und Informationsaustausch zwischen Systemen - Firmentelekommunikationsnetze, Zeichengabe-Zusammenwirken zwischen QSIG und H.323; Dienstemerkmale "Rückruf"
Responsible national committee
NA 043-01-06 AA - Data communication (rapporteur)
Responsible international committee
ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems