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
Integrated services digital network ; user - network interface layer 3 ; specifications for basic call control ; specification description language diagrams ; english version ets 300102 - 2 : 1990 综合业务数字网络.用户-网络-接口层3 .基本呼叫控制规
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
Integrated services digital network - digital subscriber signalling system no . one protocol - signalling network layer for circuit - mode basic call control - part 1 : protocol specification 综合业务数字网.数字用户信令系统第1协议.电路模式基本呼叫控制用信令网络层.第1部分:协议规范
Information technology - telecommunications and information exchange between systems - broadband private integrated services network - inter - exchange signalling protocol - basic call connection control 信息技术.系统间通信和信息交换.宽频带专业综合服务网.内交换信号协议.基本呼叫连接控制