ITU-T Q.735.1-1993
使用No.7信令系统的行业共用补充业务第3阶段描述:闭合用户群(CUG)

Stage 3 Description for Community of Interest Supplementary Services Using SS No. 7 Clause 1 - Closed User Group (CUG) (Study Group XI)

作废

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标准号

ITU-T Q.735.1-1993

发布

1993年

发布单位

国际电信联盟

 

 

引用标准

ITU-T I.255.1 ITU-T Q.730 ITU-T Q.761 ITU-T Q.764 ITU-T Q.85.1 ITU-T Q.955.1

适用范围

The supplementary service Closed User Group (CUG) enables users to form groups,to and from which access is restricted.A specific user may be a member of one or more CUGs.Members of a specific CUG can communicate among themselves but not with users outside the group.Specific CUG members can have additional capabilities that allow them to originate calls outside the group, and/or to receive calls from outside the group.Specific CUG members can have additional restrictions that prevent them from originating calls to other members of the CUG,or from receiving calls from other members of the CUG.

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