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.

fact · verified 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
Status
fact
Confidence
0.90
Verified
2026-09-15

Sources

Cite this claim

APA

WarmTransfer. (2026, September 15). SIP retransmission timers and transaction state: claim 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: claim 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   = {Claim siprt-response-retransmission-has-its-own-interval, verified 2026-09-15}
}

Read this claim in context