ITU-T Q.2962 D-2000
数字用户信令系统 No. 2 呼叫/连接建立阶段的连接特性协商:抽象测试套件(ATS)和用于测试的部分协议实现额外信息(PIXIT)形式的用户(Stud
Digital subscriber signalling system No. 2 – Connection characteristics negotiation during call/connection establishment phase: Abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) proforma for the user (Stud