YDT 1378-2005 公用电信网关口局间No.7信令技术要求

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1、YU中华人民共和国通信行业标准YD厅1378-2005公用电信网关口局间No.7信令技术要求ThetechnicalrequirementofNo.7signallingbetweengatewayofficeforInter-Publictelecomnetwork2005-09-01发布2005-12一01实施中华人民共和国信息产业部发布YD/T1378-2005目次前言·................................................................................

2、.......................................II1范围···················································......................................................................I2规范性引用文件1···4······，··················，···········，，，，······............................................

3、....I3术语和定义······································，··················，··············，······················。·········⋯⋯14消息信号传送的基本要求···················，··，······。·····································..........................14.1Nn?层协议的要求，................................

4、........···············，，·················，，····............I4.2信令协议版本要求···。。。·。，，，，，，，，·········，·，，·················，，··1···············。。。1·一””14.3网间主叫用户号码传送要求········，······················‘·········一，·····.·⋯......................I4.4网间应答信号的传送要求····················

5、······················⋯⋯，·········..................⋯⋯24.5网间呼叫释放控制方式············，·····················‘···········，············⋯⋯，，................24.6在网间不需要传送的信令消息·，，···。···········。。····，·，·一‘二，.，，，，⋯‘.，，二25关于网间TUP程序和消息编码的补充说明··········································

6、······················⋯⋯5.1成组发码和重叠发码····················································，················⋯⋯“·..........35.2导通检验·····································································，，····················..............35.3地址全信号(earlyACM卜···················

7、····，·，··················，，，········...·.····..⋯⋯，..35.4应答信号·····························，·······································································⋯⋯5.5被叫挂机信号·····································································.............................

8、35.6后向不成功信号发送的原则························，，，，，··············，，···········......··.............35.7网间不需要传送的，JP消息