ISO/IEC 19459:2001 信息技术-系统间通讯和信息交换-私人综合服务网络-规范,功能模块和信息流-单步执行呼叫转移补充服务

标准编号：ISO/IEC 19459:2001

中文名称：信息技术-系统间通讯和信息交换-私人综合服务网络-规范,功能模块和信息流-单步执行呼叫转移补充服务

英文名称：Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Single Step Call Tr