标题: ISO/IEC 20115-2004 Information technology — Telecommunications and information [打印本页] 作者: 2013 时间: 2013-3-23 23:37:33 标题: ISO/IEC 20115-2004 Information technology — Telecommunications and information
ISO/IEC 20115-2004 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Use of QSIG for Message Centre Access (MCA) profile standard
