The Diversion header tells the receiving party from whom a request was diverted and why, carrying the pre-diversion Request-URI and a reason parameter.

Checked 2026-09-25

Vendor
IETF
Product
SIP
Subsystem
redirection headers
Deployment
any
Region
not restricted
Release range
RFC 5806
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-diversion-purpose. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-diversion-purpose

BibTeX

@misc{warmtransfer-claim-caller-id-presentation-problems-diversion-purpose,
  title  = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-diversion-purpose},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-diversion-purpose},
  note   = {Source note caller-id-presentation-problems-diversion-purpose, checked 2026-09-25}
}

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