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Завершение срока действия 19.05.2009
Опубликован 01.08.1998

Information technology - International Standardized Profiles TB, TC, TD and TE - Connection-mode transport service over connection-mode network service - Part 9: Subnetwork-type dependent requirements for network layer, data link layer and physical layer concerning permanent access to a packet switched data network using virtual calls; Amendment 1: Reference optional security requirements - TB/TC/TD/TEnn