Source note · SIP registration failures
In RFC 5626, a Flow-Timer header in a successful registration response gives the number of seconds the server will wait without keep-alives before it may consider the flow dead.
Checked 2026-09-25
- Vendor
- not restricted
- Product
- SIP
- Subsystem
- keep-alive
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 5626
- Checked
- 2026-09-25
Sources
- RFC 5626: Managing Client-Initiated Connections in the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Section 4.4 Keep-Alives and Detecting Flow Failure
Cite this note
APA
WarmTransfer. (2026, September 25). SIP registration failures: source note sip-registration-failures-flow-timer. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-registration-failures-flow-timer
BibTeX
@misc{warmtransfer-claim-sip-registration-failures-flow-timer,
title = {SIP registration failures: source note sip-registration-failures-flow-timer},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-registration-failures-flow-timer},
note = {Source note sip-registration-failures-flow-timer, checked 2026-09-25}
}