Source note · Hold resume and conference signaling
RFC 3261 says that if a re-INVITE fails (for example with 488) the existing call does not fail and the session continues with the previously negotiated characteristics.
Checked 2026-09-24
- Vendor
- IETF
- Product
- SIP
- Subsystem
- re-INVITE
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3261 as published
- Checked
- 2026-09-24
Sources
- RFC 3261 — SIP: Session Initiation Protocol — IETF / RFC Editor · tier 1 standards and regulators · Section 14.2 UAS Behavior
Cite this note
APA
WarmTransfer. (2026, September 24). Hold resume and conference signaling: source note hold-resume-conference-3261-failed-reinvite. WarmTransfer. https://warmtransfer.net/knowledge/claims/hold-resume-conference-3261-failed-reinvite
BibTeX
@misc{warmtransfer-claim-hold-resume-conference-3261-failed-reinvite,
title = {Hold resume and conference signaling: source note hold-resume-conference-3261-failed-reinvite},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/hold-resume-conference-3261-failed-reinvite},
note = {Source note hold-resume-conference-3261-failed-reinvite, checked 2026-09-24}
}