IMS行政交换网设备 第3部分：接入设备
Equipment of IMS administrative switching network—
Part 3: Access equipment
Q / GDW 11438.3 — 2015
目 次
前言··································································································································································· II 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 术语和定义 ·················································································································································· 2 4 缩略语 ·························································································································································· 2 5 AG设备技术要求········································································································································ 3 5.1 网络位置与基本要求·································································································································· 3 5.2 功能要求 ·················································································································································· 3 5.3 业务要求 ·················································································································································· 5 5.4 信令协议要求············································································································································ 6 5.5 性能要求 ·················································································································································· 6 5.6 可靠性要求 ··············································································································································· 7 5.7 接口要求 ·················································································································································· 7 5.8 硬件要求 ·················································································································································· 8 5.9 软件要求 ·················································································································································· 8
5.10 网管要求················································································································································· 9 5.11 环境要求··············································································································································· 11 5.12 电源要求··············································································································································· 11
5.13 安全要求 ··········································································································································· 11 6 IAD设备技术要求 ···································································································································· 12 6.1 网络位置与基本要求 ··························································································································· 12 6.2 功能要求 ·············································································································································· 12 6.3 业务要求 ·············································································································································· 14 6.4 信令协议要求······································································································································· 15 6.5 性能要求 ·············································································································································· 15 6.6 可靠性要求 ·········································································································································· 16 6.7 接口要求 ·············································································································································· 16 6.8 硬件要求 ·············································································································································· 17 6.9 软件要求 ·············································································································································· 17 6.10 网管要求 ············································································································································ 17 6.11 环境要求 ············································································································································ 17 6.12 电源要求 ············································································································································ 18 6.13 安全要求 ··········································································································································· 18 编制说明·························································································································································· 19
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Q / GDW 11438.3 — 2015
前 言
为规范国家电网公司IMS行政交换网建设，统一国家电网公司各单位行政电话交换网的设备要求，确保IMS行政交换网建设期间业务的连续性和全网的互通性，制定本部分。
《IMS行政交换网设备》标准分为4个部分： ——第1部分：核心网设备；
——第2部分：会话边界控制设备（SBC）； ——第3部分：接入设备； ——第4部分：SIP终端。
本部分为《IMS行政交换网设备》标准的第3部分。 本部分由国家电网公司信息通信部提出并解释。 本部分由国家电网公司科技部归口。
本部分起草单位：国网智能电网研究院、国网华东分部、国网江苏省电力公司、中国信息通信研究院。
本部分主要起草人：卜宪德、吕立冬、李炳林、周立逾、田文锋、郭经红、缪巍巍、李伟、赵宏昊、曲振华、张浩、姚继明。
本部分首次发布。
本部分在执行过程中的意见或建议反馈至国家电网公司科技部。
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IMS行政交换网设备 第3部分：接入设备
1 范围
Q / GDW 11438.3 — 2015
本部分规定了国家电网公司（以下简称公司）IMS行政交换网接入设备的设备功能、业务功能、信令协议、性能、可靠性、接口、硬件、软件、网管、环境电源及安全等技术要求。
本部分适用于公司IMS行政交换网的接入设备。 2 规范性引用文件
下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅所注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。
YDN 034 ISDN用户一网络接口规范
YDN 065 邮电部电话交换设备总技术规范书
YD/T 1082 接入网设备过电压过电流防护及基本环境适应性技术要求和试验方法 YD/T 1054—2000 接入网技术要求-综合数字环路载波 YD/T 1244 数字用户线设备电磁兼容性要求和测量方法 Q/GDW 11395.1 IMS行政交换网系统规范 第1部分：总体技术要求
Q/GDW 11437.1—2015 IMS行政交换网业务规范 第1部分：多媒体电话基本业务及补充业务 DSL FORUM TR 069 CPE WAN管理协议（CPE WAN Management Protocol） IETF RFC 959 文件传输协议（A File Transfer Protocol） IETF RFC 854 远程登录协议（Telnet Protocol）
IETF RFC 1034 域名系统（Domain Names—Concepts Aad Facilities）
IETF RFC 1157 简单网络管理协议（A Simple Network Management Protocol（SNMP）） IETF RFC 1305 网络时间协议（Network Time Protocol（NTP））
IETF RFC 1361 简单网络时间协议（Simple Network Time Protocol（SNTP）） IETF RFC 2131 动态主机配置协议（Dynamic Host Configuration Protocol） IETF RFC 2616 超文本传送协议（Hypertext Transfer Protocol） IETF RFC 2833 用于DTMF数字信号、电话音和电话信号的RTP负载格式（RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals）
IETF RFC 3489 使用UDP的简单NAT穿越协议（STUN—Simple Traversal of User Datagram Protocol（UDP）Through Network Address Translators（NATs）
IETF RFC 3550 实时应用程序传输协议（Transport Protocol for Real-Time Applications） IETF RFC 4251 安全外壳协议架构（The Secure Shell (SSH) Protocol Architecture） IETF RFC 4961 实时传输控制协议（Symmetric RTP / RTP Control Protocol (RTCP)） ITU—T T.30 在公用电话交换网上的文件传真传输规程（Procedures for document facsimile transmission in the general switched telephone network）
ITU—T T.38 IP网络上三类传真实时传送通信规程（Procedures for real-time Group 3 facsimile communication over IP networks）
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ITU—T G.711 话音频率脉冲编码调制（Pulse code modulation（PCM） of voice frequencies）
ITU—T G.723 用于以5.3和6.3 kbit/s传输的多媒体通信的双速率语音编码器（Dual rate speech coder for multimedia communications transmitting at 5.3 and 6.3 kbit/s）
ITU—T G.729 使用对生结构代数码激励线性预测（CS-ACELP）的8 kbit/s音频的编码（Coding of speech at 8 kbit/s using conjugate-structure algebraic-code-excited linear prediction（CS-ACELP））
ITU—T G.960 用于ISDN基本接入的数字段（Access digital section for ISDN basic rate access） ITU—T G.962 2048 kbit/s ISDN一次群码率接入数字段（Access digital section for ISDN primary rate at 2048 kbit/s）
ITU—T K.20 安装在电信中心用于耐过电压和过电流的电信设备的抵抗性（Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents） 3 术语和定义
Q/GDW 11395.1界定的以及下列术语和定义适用于本文件。 3.1
接入设备 access equipment
用于POTS终端、传真机接入IMS的设备，包括AG和IAD。 3.2
数图 digit map
存储在接入设备中的用户拨号方案，主要用于匹配用户的拨号规则。
3.3
级联功能 concatenation function
多台接入设备通过下行网络接口实现串联，然后通过其中一台设备接入到IMS核心网中，多个设备一般安装在不同位置，为不同区域的用户提供接入服务。
3.4
堆叠功能 stacking function
多个功能一致的接入设备集中作为一个整体统一提供服务，实现用户容量的扩充，并可实现本设备下用户之间的自交换。 4 缩略语
Q/GDW 11395.1界定的以及下列缩略语适用于本文件。 AG：接入网关（Access Gateway）
AGCF：接入网关控制（Access Gateway Control Function） AS：应用服务器（Application Server）
BGCF：中断出口网关控制功能（Breakout Gateway Control Function） BRI：基本速率接口（Basic Rate Interface）
CSCF：呼叫会话控制功能（Call Session Control Function）
DHCP：动态主机配置协议（Dynamic Host Configuration Protocol） DNS：域名系统（Domain Name System）
DSCP：差分服务代码点（Differentiated Services Code Point）
DSS1：1号数字用户信令（Digital Subscriber Signalling System No.1） DTMF：双音多频（Dual Tone Multi Frequency） FXO：外部交换局（Foreign Exchange Office） IAD：综合接入设备（Integrated Access Device）
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IMS行政交换网设备第3部分：接入设备
