(Q26985413)

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Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)

superseded recommendation/international standard from the International Telecommunication Union

ITU-T I.255.1

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ITU-T recommendation version

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title

Community of interest supplementary services: Closed User Group (CUG) (English)

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edition number

11/1988

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publisher

ITU Telecommunication Standardization Sector

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language of work or name

English

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publication date

25 November 1988

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number of pages

10

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official website

https://www.itu.int/rec/T-REC-I.255.1-198811-S/en

language of work or name

English

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full work available at URL

https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-I.255.1-198811-S!!PDF-E&type=items

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standards body

International Telecommunication Union

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cites work

Recommendation I.210 (11/1988): Principles of telecommunication services supported by an ISDN and the means to describe them

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Recommendation I.252.2 (11/1988): Call offering supplementary services: Call Forwarding Busy (CFB)

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Recommendation I.252.3 (11/1988): Call offering supplementary services: Call Forwarding No Reply (CFNR)

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Recommendation I.252.4 (11/1988): Call offering supplementary services: Call Forwarding Unconditional (CFU)

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Recommendation I.254.2 (11/1988): Multiparty supplementary services: Three-Party Supplementary Service (3PTY)

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Recommendation I.255.2 (07/1996): Community of interest supplementary services: Support of Private Numbering Plans

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Recommendation X.121 (11/1988): International numbering plan for public data networks

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Recommendation X.180 (11/1988): Administrative arrangements for international closed user groups (CUGs)

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Identifiers

ITU-T Recommendation

I.255.1 (11/1988)

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(Q26985413)

Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)

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