Source note · SDP offer answer and codec negotiation
The offer answer exchange is atomic: if the answer is rejected the session reverts to the state it had before the offer, which may be the absence of a session.
Checked 2026-09-15
The offer/answer exchange is atomic; if the answer is rejected, the session reverts to the state prior to the offer (which may be absence of a session).
- Vendor
- IETF
- Product
- SIP
- Subsystem
- SDP offer/answer
- Deployment
- not restricted
- Region
- not restricted
- Release range
- RFC 3264
- Checked
- 2026-09-15
Sources
- RFC 3264 — An Offer/Answer Model with the Session Description Protocol (SDP) — IETF / RFC Editor · tier 1 standards and regulators · RFC 3264 section 4 Protocol Operation
Cite this note
APA
WarmTransfer. (2026, September 15). SDP offer answer and codec negotiation: source note sdp-oa-exchange-is-atomic. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdp-oa-exchange-is-atomic
BibTeX
@misc{warmtransfer-claim-sdp-oa-exchange-is-atomic,
title = {SDP offer answer and codec negotiation: source note sdp-oa-exchange-is-atomic},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sdp-oa-exchange-is-atomic},
note = {Source note sdp-oa-exchange-is-atomic, checked 2026-09-15}
}