ETSI EN 301 905-2003 总体电信网络(CN).QSIG和H.323间的信令互通.用于支持补充业务的通用功能协议(版本1.1.1).ISO/IEC 21409(2001),修正本
Corporate telecommunication Networks (CN); Signalling interworking between QSIG and H.323; Generic functional protocol for the support of supplementary services (V1.1.1; ISO/IEC 21409 (2001) Modified)