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

Summary

Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG) is an ITU-T recommendation version^[1].

Key Facts

• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s instance of is recorded as Community of interest supplementary services: Closed User Group (CUG) — instance of (P31): ITU-T recommendation version^[2].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s publisher is recorded as Community of interest supplementary services: Closed User Group (CUG) — publisher (P123): ITU Telecommunication Standardization Sector^[3].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s edition number is recorded as 11/1988^[4].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s language of work or name is recorded as Community of interest supplementary services: Closed User Group (CUG) — language of work or name (P407): English^[5].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s publication date is recorded as +1988-11-25T00:00:00Z^[6].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s official website is recorded as https://www.itu.int/rec/T-REC-I.255.1-198811-S/en^[7].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s work available at URL is recorded as https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-I.255.1-198811-S!!PDF-E&type=items^[8].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s number of pages is recorded as {'unit': '1', 'amount': '+10'}^[9].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s standards body is recorded as Community of interest supplementary services: Closed User Group (CUG) — standards body (P1462): International Telecommunication Union^[10].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s title is recorded as Community of interest supplementary services: Closed User Group (CUG)^[11].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.210 (11/1988): Principles of telecommunication services supported by an ISDN and the means to describe them^[12].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.252.2 (11/1988): Call offering supplementary services: Call Forwarding Busy (CFB)^[13].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.252.3 (11/1988): Call offering supplementary services: Call Forwarding No Reply (CFNR)^[14].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.252.4 (11/1988): Call offering supplementary services: Call Forwarding Unconditional (CFU)^[15].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.254.2 (11/1988): Multiparty supplementary services: Three-Party Supplementary Service (3PTY)^[16].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation I.255.2 (07/1996): Community of interest supplementary services: Support of Private Numbering Plans^[17].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation X.121 (11/1988): International numbering plan for public data networks^[18].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s cites work is recorded as Community of interest supplementary services: Closed User Group (CUG) — cites work (P2860): Recommendation X.180 (11/1988): Administrative arrangements for international closed user groups (CUGs)^[19].
• Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s ITU-T Recommendation is recorded as I.255.1 (11/1988)^[20].

Body

Authorship and Creation

Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s publisher is recorded as Community of interest supplementary services: Closed User Group (CUG) — publisher (P123): ITU Telecommunication Standardization Sector^[3].

Publication

Recommendation I.255.1 (11/1988): Community of interest supplementary services: Closed User Group (CUG)'s publication date is recorded as +1988-11-25T00:00:00Z^[6]. Its language of work or name is recorded as Community of interest supplementary services: Closed User Group (CUG) — language of work or name (P407): English^[5].