Source note · Kamailio and OpenSIPS SIP proxies
In Kamailio, t_on_failure() names a failure_route block that runs after a transaction completes with a negative result but before the final reply is sent upstream, which is how serial failover such as forward-on-no-reply is scripted.
Checked 2026-09-24
- Vendor
- Kamailio project
- Product
- Kamailio
- Subsystem
- tm
- Deployment
- self-hosted
- Region
- not restricted
- Release range
- 6.1.x
- Checked
- 2026-09-24
Sources
- TM Module — Kamailio project · tier 2 current vendor documentation · Functions, t_on_failure(failure_route)
Cite this note
APA
WarmTransfer. (2026, September 24). Kamailio and OpenSIPS SIP proxies: source note kamailio-sip-proxy-tm-failure-route. WarmTransfer. https://warmtransfer.net/knowledge/claims/kamailio-sip-proxy-tm-failure-route
BibTeX
@misc{warmtransfer-claim-kamailio-sip-proxy-tm-failure-route,
title = {Kamailio and OpenSIPS SIP proxies: source note kamailio-sip-proxy-tm-failure-route},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/kamailio-sip-proxy-tm-failure-route},
note = {Source note kamailio-sip-proxy-tm-failure-route, checked 2026-09-24}
}