RFC 7866 says the SRC SHOULD (not MUST) include a full metadata snapshot in the initial INVITE that establishes the recording session.

Checked 2026-09-25

The SRC SHOULD include a full metadata snapshot in the initial INVITE request establishing the RS.
Vendor
IETF
Product
SIPREC
Subsystem
metadata
Deployment
any
Region
not restricted
Release range
RFC 7866
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIPREC call recording interface: source note siprec-recording-rfc7866-initial-snapshot. WarmTransfer. https://warmtransfer.net/knowledge/claims/siprec-recording-rfc7866-initial-snapshot

BibTeX

@misc{warmtransfer-claim-siprec-recording-rfc7866-initial-snapshot,
  title  = {SIPREC call recording interface: source note siprec-recording-rfc7866-initial-snapshot},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/siprec-recording-rfc7866-initial-snapshot},
  note   = {Source note siprec-recording-rfc7866-initial-snapshot, checked 2026-09-25}
}

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