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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 11589-2011 |
International user classes of service in, and categories of access to, public data networks and integrated services digital networks(ISDNs) 公用数据网和综合业务数字网(ISDN)的国际用户业务类别和接入种类 |
China National Standards ISDN user network |
 English PDF |
| GB/T 17904.2-1999 |
ISDN user-network interface data link layer specification and conformance testing method--Part 2:Data link layer protocol conformance testing method ISDN用户-网络接口数据链路层技术规范及一致性测试方法 第2部分:数据链路层协议一致性测试方法 |
China National Standards ISDN user network |
English PDF |
| GB/T 17904.1-1999 |
ISDN user-network interface data link layer specification and conformance testing method--Part 1:User-network interface data linklayer specification ISDN用户-网络接口数据链路层技术规范及一致性测试方法 第1部分:用户-网络接口数据链路层技术规范 |
China National Standards ISDN user network |
English PDF |
| GB/T 17154.2-1997 |
ISDN user-network interface layer 3 specification and testing method for basic call control procedure--Part 2:Testing method for layer 3 basic call control protocol ISDN用户-网络接口第三层基本呼叫控制技术规范及测试方法 第2部分:第三层基本呼叫控制协议测试方法 |
China National Standards ISDN user network |
English PDF |
| GB/T 17154.1-1997 |
ISDN user-network interface layer 3 specification and testing method for basic call control--Part 1:Layer 3 specification for basic call control ISDN用户-网络接口第三层基本呼叫控制技术规范及测试方法 第1部分:第三层基本呼叫控制技术规范 |
China National Standards ISDN user network |
English PDF |
| GB/T 16654-1996 |
Technical requirements for ISDN(2B+D)NT1 user-network interface equipment ISDN(2B+D)NT1用户-网络接口设备技术要求 |
China National Standards ISDN user network |
English PDF |
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