Source note · SIP registration failures
For UDP flows, RFC 5626 keep-alives are STUN Binding Requests sent at a random interval between 24 and 29 seconds.
Checked 2026-09-25
- Vendor
- not restricted
- Product
- SIP
- Subsystem
- keep-alive
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 5626
- Checked
- 2026-09-25
Sources
- RFC 5626: Managing Client-Initiated Connections in the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Section 4.4.2 Keep-Alive with STUN
Cite this note
APA
WarmTransfer. (2026, September 25). SIP registration failures: source note sip-registration-failures-outbound-udp-stun. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-registration-failures-outbound-udp-stun
BibTeX
@misc{warmtransfer-claim-sip-registration-failures-outbound-udp-stun,
title = {SIP registration failures: source note sip-registration-failures-outbound-udp-stun},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-registration-failures-outbound-udp-stun},
note = {Source note sip-registration-failures-outbound-udp-stun, checked 2026-09-25}
}