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

Integrated Services Digital Network (ISDN); Signalling System No.7; Message Transfer Part (MTP); Test specification [ITU-T Recommendations Q.781 and Q.782 (1993), modified]
综合业务数字网（ISDN）；七号信令系统；消息传输部分（MTP）；试验规范[ITU-T建议Q.781和Q.782（1993） 修改]

1996-09-01