ITU-T Q.1902.2 AMD 3-2006
承载独立呼叫控制协议(CS2)和7号信令系统 - ISDN用户部分:通用消息和参数功能 修正3
Bearer Independent Call Control protocol (Capability Set 2) and Signalling System No. 7 ISDN user part: General functions of messages and parameters Amendment 3: Support for the International Emergency Preference Scheme Study Group 11