Source note · SIP retransmission timers and transaction state
Timer G sets the interval at which a server retransmits an INVITE response starting at the round trip estimate and capped by the 4 second maximum.
Checked 2026-09-15
- Vendor
- IETF
- Product
- Session Initiation Protocol
- Subsystem
- transaction timers
- Deployment
- not restricted
- Region
- not restricted
- Release range
- current as of 2026-09-15
- Checked
- 2026-09-15
Sources
- RFC 3261 — SIP: Session Initiation Protocol — IETF / RFC Editor · tier 1 standards and regulators · RFC 3261 sections 17.2.1 and appendix A
Cite this note
APA
WarmTransfer. (2026, September 15). SIP retransmission timers and transaction state: source note siprt-response-retransmission-has-its-own-interval. WarmTransfer. https://warmtransfer.net/knowledge/claims/siprt-response-retransmission-has-its-own-interval
BibTeX
@misc{warmtransfer-claim-siprt-response-retransmission-has-its-own-interval,
title = {SIP retransmission timers and transaction state: source note siprt-response-retransmission-has-its-own-interval},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/siprt-response-retransmission-has-its-own-interval},
note = {Source note siprt-response-retransmission-has-its-own-interval, checked 2026-09-15}
}