ÖNORM EN 300201 V 1.2.1:2001-08

Действует

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description

Описание Изменения Ссылки Версии

Ссылочные документы

DIN ETS 300345:1995-08

Действует

Integrated Services Digital Network (ISDN) - Interworking between public ISDNs and private ISDNs for the provision of telecommunication services - General aspects; English version ETS 300345:1995

ÖNORM EN 300201 V 1.2.1:2001-08

Действует

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description

На этот документ ссылаются

ÖNORM EN 300201 V 1.2.1:2001-08

Действует

Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description