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RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging

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RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging

Summary

RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging is a Request for Comments[1].

Key Facts

  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging authored Session Initiation Protocol (SIP) Extension for Instant Messaging — author (P50): Henning Schulzrinne[2].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging authored Session Initiation Protocol (SIP) Extension for Instant Messaging — author (P50): Jonathan Rosenberg[3].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging authored Session Initiation Protocol (SIP) Extension for Instant Messaging — author (P50): Christian Huitema[4].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's instance of is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — instance of (P31): Request for Comments[5].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's publisher is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — publisher (P123): Internet Engineering Task Force[6].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's DOI is recorded as 10.17487/RFC3428[7].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's language of work or name is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — language of work or name (P407): English[8].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's publication date is recorded as +2002-12-01T00:00:00Z[9].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's RfC ID is recorded as 3428[10].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's main subject is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — main subject (P921): SIMPLE[11].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's work available at URL is recorded as https://tools.ietf.org/html/rfc3428[12].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's work available at URL is recorded as https://tools.ietf.org/rfc/rfc3428.txt[13].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc3428.txt[14].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc3428.txt.pdf[15].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's number of pages is recorded as {'unit': '1', 'amount': '+18'}[16].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's title is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging[17].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's author name string is recorded as B. Campbell[18].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's author name string is recorded as D. Gurle[19].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's amended by is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — amended by (P2567): RFC 8591: SIP-Based Messaging with S/MIME[20].
  • RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's DBLP publication ID is recorded as journals/rfc/rfc3428[21].

Body

Designation and Status

RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging's instance of is recorded as Session Initiation Protocol (SIP) Extension for Instant Messaging — instance of (P31): Request for Comments[5].

References

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

Direct Wikidata claims

  1. [5] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  3. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  4. [4] ↑ . RFC Index. Retrieved . wikidata.org.
  5. [6] ↑ . RFC Index. Retrieved . wikidata.org.
  6. [7] ↑ . RFC Index. Retrieved . wikidata.org.
  7. [8] ↑ . RFC Index. Retrieved . wikidata.org.
  8. [9] ↑ . RFC Index. Retrieved . wikidata.org.
  9. [10] ↑ . RFC Index. Retrieved . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . RFC Index. Retrieved . wikidata.org.
  12. [13] ↑ . RFC Index. Retrieved . wikidata.org.
  13. [14] ↑ . RFC Index. Retrieved . wikidata.org.
  14. [15] ↑ . RFC Index. Retrieved . wikidata.org.
  15. [16] ↑ . RFC Index. Retrieved . wikidata.org.
  16. [17] ↑ . RFC Index. Retrieved . wikidata.org.
  17. [18] ↑ . RFC Index. Retrieved . wikidata.org.
  18. [19] ↑ . RFC Index. Retrieved . wikidata.org.
  19. [20] ↑ . RFC Index. Retrieved . wikidata.org.
  20. [21] ↑ . DBLP Dataset 2021-01-02. Retrieved . 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). RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging. Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-3428-session-initiation-protocol-sip-extension-for-instant-messaging
MLA “RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-3428-session-initiation-protocol-sip-extension-for-instant-messaging.
BibTeX @misc{4ortxyz_rfc-3428-session-initiation-protocol-sip-extension-for-instant-messaging_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-3428-session-initiation-protocol-sip-extension-for-instant-messaging}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 3428: Session Initiation Protocol (SIP) Extension for Instant Messaging — https://4ort.xyz/entity/rfc-3428-session-initiation-protocol-sip-extension-for-instant-messaging (retrieved 2026-05-03)

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