RFC 3891: The Session Initiation Protocol (SIP) "Replaces" Header — RFC Editor document information

Publisher

IETF / RFC Editor

URL

https://www.rfc-editor.org/info/rfc3891

Published

unknown

Updated

unknown

Accessed

2026-09-16

HTTP status

200

License

IETF Trust / BCP 78; metadata and locators only

Source notes citing this source

• The RFC Editor's document information pages for RFC 3891 and RFC 5589 carry neither an Updated by field nor an Obsoleted by field, where the page for RFC 3515 carries an Updated by field naming 2 documents. in context

Cite this source record

APA

WarmTransfer. (2026, September 16). RFC 3891: The Session Initiation Protocol (SIP) "Replaces" Header — RFC Editor document information. WarmTransfer. https://warmtransfer.net/knowledge/sources/rfc-editor-info-rfc3891

BibTeX

@misc{warmtransfer-rfc-editor-info-rfc3891,
  title  = {RFC 3891: The Session Initiation Protocol (SIP) "Replaces" Header — RFC Editor document information},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/rfc-editor-info-rfc3891},
  note   = {IETF / RFC Editor, accessed 2026-09-16}
}