ITU-T Q.85.6-1995
行业共用补充业务第2阶段描述:全球虚拟网业务(GVNS)

Stage 2 Description for Community of Interest Supplementary Services - Clause 6 - Global Virtual Network Service (GVNS) General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN

标准号

ITU-T Q.85.6-1995

发布

1995年

发布单位

国际电信联盟

 

 

引用标准

ITU-T E.160-1993 ITU-T E.164-1991 ITU-T F.16-1995 ITU-T I.112-1993 ITU-T I.130-1988 ITU-T Q.65-1988 ITU-T Q.71-1993 ITU-T Z.100-1993

适用范围

This Recommendation provides an implementation and technology independent stage 2 description for Global Virtual Network Service (GVNS) with PSTN inter-networking.Stage 2 identifies the functional capabilities and the information flows needed to support the service as described in stage 1.The stage 2 description also identifies user operations not directly associated with a call (see Recommendation I.130 [1]).This Recommendation is specified according to the methodology specified in Recommendation Q.65 [2] and includes the descriptions of the relationship between this service and the basic call (see Recommendation Q.71)[4].In addition, this Recommendation does not specify the requirements where the service is provided to the user via aprivate ISDN.This Recommendation is applicable to the ISDN stage 3 Recommendation for GVNS.The term Stage 3 is defined in Recommendation I.130 [1]

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