Source note · SIP call forwarding and routing loops
The SIP response code 483 Too Many Hops means that the server received a request whose Max-Forwards value was zero; 482 Loop Detected means that the server detected a loop.
Checked 2026-09-25
- Vendor
- IETF
- Product
- SIP
- Subsystem
- response codes
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3261 (June 2002)
- Checked
- 2026-09-25
Sources
- RFC 3261 — SIP: Session Initiation Protocol — IETF / RFC Editor · tier 1 standards and regulators · Section 21.4.20 482 Loop Detected; Section 21.4.21 483 Too Many Hops
Cite this note
APA
WarmTransfer. (2026, September 25). SIP call forwarding and routing loops: source note sip-forwarding-loops-483-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-483-definition
BibTeX
@misc{warmtransfer-claim-sip-forwarding-loops-483-definition,
title = {SIP call forwarding and routing loops: source note sip-forwarding-loops-483-definition},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-483-definition},
note = {Source note sip-forwarding-loops-483-definition, checked 2026-09-25}
}