ISO/IEC 21409
Information technology - Telecommunications and information exchange between systems - Corporate telecommunication networks; Signalling interworking between QSIG and H.323; Generic functional protocol for the support of supplementary services
Informationstechnik - Telekommunikation und Informationsaustausch zwischen Systemen - Firmentelekommunikationsnetze; Zeichengabe-Zusammenwirken zwischen QSIG und H.323; Protokollgrundsätze für die funktionelle Steuerung von Dienstmerkmalen
Responsible national committee
NA 043-04-17 AA - Cards and security devices for personal identification
Responsible international committee
ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems