标题: ISO/IEC 21407:2001 Simple Dialog Supplementary Service [打印本页] 作者: gmt88 时间: 2013-7-7 02:50:07 标题: ISO/IEC 21407:2001 Simple Dialog Supplementary Service
ISO/IEC 21407:2001(E)
First Edition
2001-08-15
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Specification, Functional Model and Information Flows -
Simple Dialog Supplementary Service