DIN EN 301989-2003 标准详情
- 标准号：DIN EN 301989-2003
- 中文标题：企业电信网(CN).QSIG和H.323间的信令配合.呼叫完成补充业务
- 英文标题：Corporate telecommunication Networks (CN) - Signalling interworking between QSIG and H.323 - Call Completion supplementary services (ISO/IEC 21991 (2002), modified) (Endorsement of the English version EN 301989 V 1.1.1 (2003-02) as German standard)
- 标准类别：德国标准
- 发布日期：2003-07
