Source note · SIP trace capture and ladder analysis
The CSeq header carries an integer and a method name, and the CSeq number is incremented for each new request within a dialog.
Checked 2026-09-23
The CSeq number is incremented for each new request within a dialog.
- Vendor
- IETF
- Product
- SIP
- Subsystem
- headers
- Deployment
- multi-tenant, on-premises
- Region
- not restricted
- Release range
- RFC 3261 (June 2002)
- Checked
- 2026-09-23
Sources
- RFC 3261 — SIP: Session Initiation Protocol — IETF / RFC Editor · tier 1 standards and regulators · Section 8.1.1.5 CSeq
Cite this note
APA
WarmTransfer. (2026, September 23). SIP trace capture and ladder analysis: source note sip-trace-analysis-cseq-increment. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trace-analysis-cseq-increment
BibTeX
@misc{warmtransfer-claim-sip-trace-analysis-cseq-increment,
title = {SIP trace capture and ladder analysis: source note sip-trace-analysis-cseq-increment},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trace-analysis-cseq-increment},
note = {Source note sip-trace-analysis-cseq-increment, checked 2026-09-23}
}