ISO/IEC 21992-2003 信息技术.系统间远程通信和信息交换.专用综合业务网.经由IP网络的QSIG隧道效应的镜像功能

标准号：ISO/IEC 21992-2003
中文标准名称：信息技术.系统间远程通信和信息交换.专用综合业务网.经由IP网络的QSIG隧道效应的镜像功能
英文标准名称：Information technology - Telecommunications and information exchange between systems; Private Integrated Services Network - Mapping Functions for the tunnelling of QSIG through IP Networks
标准类型：M11
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：M11
国际标准分类号：33.040.35
适用范围：This International Standard specifies functions for using a packet network that uses the Internet Protocol (IP) as its network layer protocol and UDP and TCP as its transport layer protocols, to interconnect two Private Integrated services Network exchanges (PINXs) forming part of a Private Integrated Services Network (PISN). Interconnection is achieved by carrying the inter-PINX signalling protocol directly over the Transmission Control Protocol (TCP) and inter-PINX user information (e.g., voice) over the Real-time Transport Protocol (RTP), RTP being carried over the User Datagram Protocol (UDP). The inter-PINX signalling protocol is assumed to be QSIG, as specified in ISO/IEC 11572, ISO/IEC 11582 and other International Standards. This International Standard provides for two types of interconnection: — on-demand, where a separate TCP connection for QSIG is established at the start of each call and cleared down at the end of that call; and — semi-permanent, where a single TCP connection with an indefinite lifetime carries QSIG on behalf of many single calls. This International Standard is applicable to PINXs that can be interconnected to form a PISN using QSIG as the inter-PINX signalling protocol.