Source note · SIP session timers
Support for UPDATE is signalled by listing UPDATE in the Allow header of the INVITE and of reliable provisional or final responses.
Checked 2026-09-25
- Vendor
- IETF
- Product
- SIP
- Subsystem
- UPDATE method
- Deployment
- on-premises, multi-tenant, hybrid
- Region
- not restricted
- Release range
- RFC 3311
- Checked
- 2026-09-25
Sources
- RFC 3311: The Session Initiation Protocol (SIP) UPDATE Method — IETF / RFC Editor · tier 1 standards and regulators · Section 4 (UPDATE Handling)
Cite this note
APA
WarmTransfer. (2026, September 25). SIP session timers: source note sip-session-timers-allow-update-signals. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-session-timers-allow-update-signals
BibTeX
@misc{warmtransfer-claim-sip-session-timers-allow-update-signals,
title = {SIP session timers: source note sip-session-timers-allow-update-signals},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-session-timers-allow-update-signals},
note = {Source note sip-session-timers-allow-update-signals, checked 2026-09-25}
}