Source note · Troubleshooting calls that drop on hold or transfer
If a re-INVITE is rejected with a non-2xx final response, no session state change is made and the session continues with its previously negotiated parameters.
Checked 2026-09-30
- Vendor
- IETF
- Product
- SIP
- Subsystem
- sip-dialog
- Deployment
- any
- Region
- not restricted
- Release range
- RFC as published
- Checked
- 2026-09-30
Sources
- RFC 6141: Re-INVITE and Target-Refresh Request Handling in the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Section 3.1 (Background on Re-INVITE Handling by UASs), citing RFC 3261 Section 12.2.2
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting calls that drop on hold or transfer: source note sip-reinvite-call-drops-rejected-reinvite-keeps-session. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-reinvite-call-drops-rejected-reinvite-keeps-session
BibTeX
@misc{warmtransfer-claim-sip-reinvite-call-drops-rejected-reinvite-keeps-session,
title = {Troubleshooting calls that drop on hold or transfer: source note sip-reinvite-call-drops-rejected-reinvite-keeps-session},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-reinvite-call-drops-rejected-reinvite-keeps-session},
note = {Source note sip-reinvite-call-drops-rejected-reinvite-keeps-session, checked 2026-09-30}
}