The SIP Call-ID header carries a globally unique identifier for the call, and together with the To and From tags identifies a dialog.

Checked 2026-09-24

Vendor
IETF
Product
SIP
Subsystem
headers
Deployment
multi-tenant, on-premises
Region
not restricted
Release range
RFC 3261
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-sip-call-id. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-sip-call-id

BibTeX

@misc{warmtransfer-claim-sip-call-analysis-wireshark-sip-call-id,
  title  = {Analysing a SIP call in Wireshark: source note sip-call-analysis-wireshark-sip-call-id},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-call-analysis-wireshark-sip-call-id},
  note   = {Source note sip-call-analysis-wireshark-sip-call-id, checked 2026-09-24}
}

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