BS ISO/IEC 18051. Information technology. Telecommunications and information exchange between systems. Services for Computer Supported Telecommunications Applications (CSTA) Phase III
BS ISO/IEC 18051 信息技术 系统间的电信和信息交换 计算机支持电信应用服务(CSTA)第三阶段
Cross References:ECMA-143ECMA-155ECMA-165ECMA-354ECMA TR/72ISO/IEC 8649:1996ISO/IEC 8824-1:2002ITU-T Rec. E.131:1988ITU-T Rec. E.164:1997ITU-T Rec. H.225.0:2000ITU-T Rec. Q.2931:1995ITU-T Rec. Q.931:1998IETF RFC 3066IETF RFC 3261All current amendments available at time of purchase are included with the purchase of this document.