Source note · SIP 488 and codec negotiation failures
If there are no media formats in common for any of the offered streams, RFC 3264 says the entire offered session is rejected.
Checked 2026-09-25
If there are no media formats in common for all streams, the entire offered session is rejected.
- Vendor
- IETF
- Product
- SDP offer
- Subsystem
- codec negotiation
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3264
- Checked
- 2026-09-25
Sources
- RFC 3264 — An Offer/Answer Model with the Session Description Protocol (SDP) — IETF / RFC Editor · tier 1 standards and regulators · Section 6.1 Unicast Streams
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 488 and codec negotiation failures: source note sip-488-codec-failures-no-common-codec-session. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-no-common-codec-session
BibTeX
@misc{warmtransfer-claim-sip-488-codec-failures-no-common-codec-session,
title = {SIP 488 and codec negotiation failures: source note sip-488-codec-failures-no-common-codec-session},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-no-common-codec-session},
note = {Source note sip-488-codec-failures-no-common-codec-session, checked 2026-09-25}
}