Source note · DTMF methods and interoperability failures
RFC 6086 states that DTMF transport over SIP INFO has been done with proprietary, unstandardised mechanisms.
Checked 2026-09-24
All mechanisms are proprietary and have not been standardized.
- Vendor
- IETF
- Product
- SIP INFO
- Subsystem
- DTMF over signalling
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 6086
- Checked
- 2026-09-24
Sources
- RFC 6086: Session Initiation Protocol (SIP) INFO Method and Package Framework — IETF / RFC Editor · tier 1 standards and regulators · Section 2 (Motivation)
Cite this note
APA
WarmTransfer. (2026, September 24). DTMF methods and interoperability failures: source note dtmf-interop-sip-info-dtmf-proprietary. WarmTransfer. https://warmtransfer.net/knowledge/claims/dtmf-interop-sip-info-dtmf-proprietary
BibTeX
@misc{warmtransfer-claim-dtmf-interop-sip-info-dtmf-proprietary,
title = {DTMF methods and interoperability failures: source note dtmf-interop-sip-info-dtmf-proprietary},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dtmf-interop-sip-info-dtmf-proprietary},
note = {Source note dtmf-interop-sip-info-dtmf-proprietary, checked 2026-09-24}
}