标题: ISO/IEC 20114-2004 Information technology — Telecommunications and information [打印本页] 作者: 2013 时间: 2013-3-23 23:39:01 标题: ISO/IEC 20114-2004 Information technology — Telecommunications and information
ISO/IEC 20114-2004 Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network (PISN) — Inter-exchange signalling protocol — Make call request supplementary service
