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Завершение срока действия 10.05.2011
Опубликован 01.08.1998

Information technology - International Standardized Profile TAnnnn - Connection-mode transport service over connectionless-mode network service - Part 8: Security employing the network layer security protocol - Connection-mode with SDT-PDU based protection over X.25 packet switched data networks using virtual calls, for TA1111/TA1121 profiles