Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; Message Transfer Part (MTP) level 3 functions and messages to support international interconnection - Part 1: Protocol specification [ITU-T Recommendation Q.2210 (1996), modified] (Endorsement of the English version EN 301004-1 V 1.1.3 (1998-02) as German standard)
宽带综合业务数字网(B-ISDN)——第7号信令系统;信息传输部分(MTP)支持国际互连的3级功能和信息.第1部分:协议规范[ITU-T建议Q.2210(1996) 修改](英文版的认可)