Under RFC 6086 a UA supporting Info Packages MUST list the packages it will accept in the Recv-Info header field.

Checked 2026-09-24

Vendor
IETF
Product
SIP INFO
Subsystem
Info Package negotiation
Deployment
any
Region
not restricted
Release range
RFC 6086
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). DTMF methods and interoperability failures: source note dtmf-interop-recv-info-header. WarmTransfer. https://warmtransfer.net/knowledge/claims/dtmf-interop-recv-info-header

BibTeX

@misc{warmtransfer-claim-dtmf-interop-recv-info-header,
  title  = {DTMF methods and interoperability failures: source note dtmf-interop-recv-info-header},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/dtmf-interop-recv-info-header},
  note   = {Source note dtmf-interop-recv-info-header, checked 2026-09-24}
}

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