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Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2

superseded recommendation/international standard from the International Telecommunication Union
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Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2

Summary

Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2 is an ITU-T recommendation version[1].

Key Facts

  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's instance of is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — instance of (P31): ITU-T recommendation version[2].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's publisher is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — publisher (P123): ITU Telecommunication Standardization Sector[3].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's edition number is recorded as 11/1988[4].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's language of work or name is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — language of work or name (P407): English[5].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's publication date is recorded as +1988-11-25T00:00:00Z[6].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's official website is recorded as http://www.itu.int/rec/T-REC-S.4-198811-S/en[7].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's work available at URL is recorded as https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-S.4-198811-S!!PDF-E&type=items[8].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's number of pages is recorded as {'unit': '1', 'amount': '+6'}[9].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's standards body is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — standards body (P1462): International Telecommunication Union[10].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's title is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2[11].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation F.1 (11/1988): Operational provisions for the international public telegram service[12].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation F.30 (11/1988): Use of various sequences of combinations for special purposes[13].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation F.60 (11/1988): Operational provisions for the international telex service[14].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation R.79 (11/1988): Automatic tests of transmission quality on telegraph circuits between switching centres[15].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation S.11 (11/1988): Use of start-stop reperforating equipment for perforated tape retransmission[16].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation S.15 (11/1988): Use of the telex network for data transmission at 50 bauds[17].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation S.20 (11/1988): Automatic clearing procedure for a telex terminal[18].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation U.21 (11/1988): Operator recall on a telex call set up on a radiotelegraph circuit[19].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation U.22 (11/1988): Signals indicating delay in transmission on calls set up by means of synchronous systems with automatic error correction by repetition[20].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation U.43 (11/1988): Follow-on calls[21].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's cites work is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — cites work (P2860): Recommendation U.44 (11/1988): Multi-address calls in real time for broadcast purposes in the international telex service[22].
  • Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's ITU-T Recommendation is recorded as S.4 (11/1988)[23].

Body

Authorship and Creation

Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's publisher is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — publisher (P123): ITU Telecommunication Standardization Sector[3].

Publication

Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2's publication date is recorded as +1988-11-25T00:00:00Z[6]. Its language of work or name is recorded as Special use of certain characters of the International Telegraph Alphabet No. 2 — 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 S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2. Retrieved May 3, 2026, from https://4ort.xyz/entity/recommendation-s-4-11-1988-special-use-of-certain-characters-of-the-international-telegraph-alphabet-no-2
MLA “Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/recommendation-s-4-11-1988-special-use-of-certain-characters-of-the-international-telegraph-alphabet-no-2.
BibTeX @misc{4ortxyz_recommendation-s-4-11-1988-special-use-of-certain-characters-of-the-international-telegraph-alphabet-no-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2}}, year = {2026}, url = {https://4ort.xyz/entity/recommendation-s-4-11-1988-special-use-of-certain-characters-of-the-international-telegraph-alphabet-no-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Recommendation S.4 (11/1988): Special use of certain characters of the International Telegraph Alphabet No. 2 — https://4ort.xyz/entity/recommendation-s-4-11-1988-special-use-of-certain-characters-of-the-international-telegraph-alphabet-no-2 (retrieved 2026-05-03)

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