Source note · SIP transactions dialogs and call setup
An INVITE is not retransmitted over a reliable transport and retransmissions cease altogether once a provisional response arrives.
Checked 2026-09-15
The request is not retransmitted over reliable transports. After receiving a 1xx response any retransmissions cease altogether.
- Vendor
- IETF
- Product
- Session Initiation Protocol
- Subsystem
- transactions
- 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 section 17.1.1.2
Cite this note
APA
WarmTransfer. (2026, September 15). SIP transactions dialogs and call setup: source note siptx-retransmission-is-a-transport-property. WarmTransfer. https://warmtransfer.net/knowledge/claims/siptx-retransmission-is-a-transport-property
BibTeX
@misc{warmtransfer-claim-siptx-retransmission-is-a-transport-property,
title = {SIP transactions dialogs and call setup: source note siptx-retransmission-is-a-transport-property},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/siptx-retransmission-is-a-transport-property},
note = {Source note siptx-retransmission-is-a-transport-property, checked 2026-09-15}
}