标题: ISO/IEC 21989:2002 Specification, Functional Model and Information Flows - Short [打印本页] 作者: gmt88 时间: 2013-7-27 01:02:51 标题: ISO/IEC 21989:2002 Specification, Functional Model and Information Flows - Short
ISO/IEC 21989:2002(E)
First Edition
2002-07-01
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Specification, Functional Model and Information Flows -
Short Message Service