Source note · SIP 488 and codec negotiation failures
The RTP clock rate for G722 is 8000 Hz even though G.722 samples at 16000 Hz, kept for backward compatibility with an error in RFC 1890.
Checked 2026-09-25
- Vendor
- IETF
- Product
- RTP
- Subsystem
- payload types
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3551
- Checked
- 2026-09-25
Sources
- RTP Profile for Audio and Video Conferences with Minimal Control — IETF / RFC Editor · tier 1 standards and regulators · Section 4.5.2 G722
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 488 and codec negotiation failures: source note sip-488-codec-failures-g722-clock-8000. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-g722-clock-8000
BibTeX
@misc{warmtransfer-claim-sip-488-codec-failures-g722-clock-8000,
title = {SIP 488 and codec negotiation failures: source note sip-488-codec-failures-g722-clock-8000},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-g722-clock-8000},
note = {Source note sip-488-codec-failures-g722-clock-8000, checked 2026-09-25}
}