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Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit

superseded recommendation/international standard from the International Telecommunication Union
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Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit

Summary

Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit is an ITU-T recommendation version[1].

Key Facts

  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's instance of is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — instance of (P31): ITU-T recommendation version[2].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's publisher is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — publisher (P123): ITU Telecommunication Standardization Sector[3].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's edition number is recorded as 11/1988[4].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's language of work or name is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — language of work or name (P407): English[5].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's publication date is recorded as +1988-11-25T00:00:00Z[6].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's official website is recorded as https://www.itu.int/rec/T-REC-X.25-198811-S/en[7].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's main subject is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — main subject (P921): X.25[8].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's work available at URL is recorded as https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-X.25-198811-S!!PDF-E&type=items[9].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's number of pages is recorded as {'unit': '1', 'amount': '+156'}[10].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's standards body is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — standards body (P1462): International Telecommunication Union[11].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's title is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit[12].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation D.12 (11/1988): Measurement unit for charging by volume in the international packet-switched data communication service[13].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation E.164 (11/1988): Numbering plan for the ISDN era[14].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation E.165 (11/1988): Timetable for coordinated implementation of the full capability of the numbering plan for the ISDN era (Recommendation E.164)[15].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation E.166 (11/1988): Numbering plan interworking in the ISDN era[16].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation F.69 (11/1988): Plan for telex destination codes[17].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.1 (11/1988): International user classes of service in public data networks and integrated services digital networks (ISDNs)[18].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.10 (11/1988): Categories of access for data terminal equipment (DTE) to public data transmission services[19].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.121 (11/1988): International numbering plan for public data networks[20].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.135 (11/1988): Speed of service (delay and throughput) performance values for public data networks when providing international packet-switched services[21].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.150 (11/1988): Principles of maintenance testing for public data networks using Data Terminal Equipment (DTE) and Data Circuit-terminating Equipment (DCE) test loops[22].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.2 (11/1988): International data transmission services and optional user facilities in public data networks and ISDNs[23].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.200 (11/1988): Reference Model of Open Systems Interconnection for CCITT applications[24].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.21 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for synchronous operation on public data networks[25].
  • Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's cites work is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — cites work (P2860): Recommendation X.213 (11/1988): Network service definition for Open Systems Interconnection for CCITT applications[26].

Body

Authorship and Creation

Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's publisher is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — publisher (P123): ITU Telecommunication Standardization Sector[3].

Publication

Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's publication date is recorded as +1988-11-25T00:00:00Z[6]. Its language of work or name is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — language of work or name (P407): English[5].

Subject and Themes

Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit's main subject is recorded as Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — main subject (P921): X.25[8].

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.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit. Retrieved May 3, 2026, from https://4ort.xyz/entity/recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit
MLA “Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit.
BibTeX @misc{4ortxyz_recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit}}, year = {2026}, url = {https://4ort.xyz/entity/recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit — https://4ort.xyz/entity/recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit (retrieved 2026-05-03)

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