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Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service

superseded recommendation/international standard from the International Telecommunication Union
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Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service

Summary

Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service is an ITU-T recommendation version[1].

Key Facts

  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's instance of is recorded as Interworking between the teletex service and the telex service — instance of (P31): ITU-T recommendation version[2].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's publisher is recorded as Interworking between the teletex service and the telex service — publisher (P123): ITU Telecommunication Standardization Sector[3].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's edition number is recorded as 11/1988[4].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's language of work or name is recorded as Interworking between the teletex service and the telex service — language of work or name (P407): English[5].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's publication date is recorded as +1988-11-25T00:00:00Z[6].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's official website is recorded as https://www.itu.int/rec/T-REC-U.201-198811-S/en[7].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's work available at URL is recorded as https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-U.201-198811-S!!PDF-E&type=items[8].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's number of pages is recorded as {'unit': '1', 'amount': '+22'}[9].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's standards body is recorded as Interworking between the teletex service and the telex service — standards body (P1462): International Telecommunication Union[10].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's title is recorded as Interworking between the teletex service and the telex service[11].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation F.200 (11/1988): Teletex service[12].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation F.201 (11/1980): Interworking between teletex service and telex service - General principles[13].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation F.60 (11/1988): Operational provisions for the international telex service[14].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation F.69 (11/1988): Plan for telex destination codes[15].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation S.20 (11/1988): Automatic clearing procedure for a telex terminal[16].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2[17].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation T.390 (11/1988): Teletex requirements for interworking with the telex service[18].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation T.90 (11/1988): Characteristics and protocols for terminals for telematic services in ISDN[19].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation U.70 (11/1988): Telex service signals for telex to teletex interworking[20].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation U.74 (11/1988): Extraction of telex selection information from a calling telex answerback[21].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's cites work is recorded as Interworking between the teletex service and the telex service — cites work (P2860): Recommendation X.121 (11/1988): International numbering plan for public data networks[22].
  • Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's ITU-T Recommendation is recorded as U.201 (11/1988)[23].

Body

Authorship and Creation

Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's publisher is recorded as Interworking between the teletex service and the telex service — publisher (P123): ITU Telecommunication Standardization Sector[3].

Publication

Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service's publication date is recorded as +1988-11-25T00:00:00Z[6]. Its language of work or name is recorded as Interworking between the teletex service and the telex service — language of work or name (P407): English[5].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service. Retrieved May 3, 2026, from https://4ort.xyz/entity/recommendation-u-201-11-1988-interworking-between-the-teletex-service-and-the-telex-service
MLA “Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/recommendation-u-201-11-1988-interworking-between-the-teletex-service-and-the-telex-service.
BibTeX @misc{4ortxyz_recommendation-u-201-11-1988-interworking-between-the-teletex-service-and-the-telex-service_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service}}, year = {2026}, url = {https://4ort.xyz/entity/recommendation-u-201-11-1988-interworking-between-the-teletex-service-and-the-telex-service}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Recommendation U.201 (11/1988): Interworking between the teletex service and the telex service — https://4ort.xyz/entity/recommendation-u-201-11-1988-interworking-between-the-teletex-service-and-the-telex-service (retrieved 2026-05-03)

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