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DIN EN 301656:2000-03

Отменен
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call priority interruption and call priority interruption protection supplementary services (ISO/IEC 15992 (1998), modified) (Endorsement of the English version EN 301656 V 1.1.1 (1999-08) as German standard) — 1 стр.
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Ссылочные документы

DIN EN 301656:2004-12
Действует
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call priority interruption and call priority interruption protection supplementary services (ISO/IEC 15992 (2003), modified) (Endorsement of the English version EN 301656 V1.2.1 (2004-01) as German standard) — 2 стр.

На этот документ ссылаются

DIN EN 301656:2004-12
Действует
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call priority interruption and call priority interruption protection supplementary services (ISO/IEC 15992 (2003), modified) (Endorsement of the English version EN 301656 V1.2.1 (2004-01) as German standard) — 2 стр.