No.7信令与IP的信令网关设备技术规范
Technical specification of signalling gateway for No.7 signalling and IP
2002-06-21
YD/T 1918-2009
ISDN信令与IP互通用户适配层（IUA）测试方法
Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP
2009-06-15
YD/T 1913-2009
基于软交换的信令网关设备安全技术要求和测试方法
Security Technical Requirements and Test Methods for Signaling Gateway Based on Softswitch
2009-06-15
YD/T 2607-2013
No.7信令与IP互通适配层测试方法 消息传递部分(MTP)第三级用户适配层(M3UA)
Test method of aaption layer of No.7 signalling system interworking with IP-Message Transfer Part (MTP)level 3 user adaptation layer (M3UA)
2013-10-17
YD/T 1206-2002
800MHz CDMA数字蜂窝移动通信网NO.7 ISUP信令测试方法
800MHz CDMA digital cellular mobile network No.7 ISUP Signalling Test Method
2002-06-21
YD/T 1409-2005
No.7信令与IP互通适配层测试方法—消息传递部分(MTP)第二级用户适配层(M2UA)
Adaptation layer test specification for No.7 signalling system interworking with IP-message transfer part (MTP)level 2 user adaptation layer (M2UA)
2005-09-01
YD/T 1662-2007
国内No.7信令方式测试方法——GSM移动电话用户部分（MTUP）
Testing Methods for National No.7 Signalling System——GSM Mobile Telephone User Part (MTUP)