Source note · DTMF methods and interoperability failures
RFC 2833 (May 2000, Proposed Standard) is obsoleted by two documents: RFC 4733 and RFC 4734.
Checked 2026-09-24
- Vendor
- IETF
- Product
- RFC 2833
- Subsystem
- standards status
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 2833
- Checked
- 2026-09-24
Sources
- Information on RFC 2833: RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals — RFC Editor · tier 1 standards and regulators · RFC Editor info page, Obsoleted by field
Cite this note
APA
WarmTransfer. (2026, September 24). DTMF methods and interoperability failures: source note dtmf-interop-rfc2833-obsoleted-by-two. WarmTransfer. https://warmtransfer.net/knowledge/claims/dtmf-interop-rfc2833-obsoleted-by-two
BibTeX
@misc{warmtransfer-claim-dtmf-interop-rfc2833-obsoleted-by-two,
title = {DTMF methods and interoperability failures: source note dtmf-interop-rfc2833-obsoleted-by-two},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dtmf-interop-rfc2833-obsoleted-by-two},
note = {Source note dtmf-interop-rfc2833-obsoleted-by-two, checked 2026-09-24}
}