ISO/IEC 21888:2001 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-呼叫鉴定和呼叫连接附加网络特性

标准编号：ISO/IEC 21888:2001

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-呼叫鉴定和呼叫连接附加网络特性

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