Source note · SIP scanning and telephony denial of service

RFC 5039 (Informational) defines SPIT as a bulk unsolicited set of session initiation attempts, such as INVITE requests, to set up voice, video, IM or other sessions.

Checked 2026-09-25

Vendor: IETF
Product: SIP
Subsystem: Spam
Deployment: any
Region: not restricted
Release range: RFC 5039
Checked: 2026-09-25

Sources

The Session Initiation Protocol (SIP) and Spam — IETF / RFC Editor · tier 1 standards and regulators · Section 2 Problem Definition (call spam)

Cite this note

APA

WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-rfc5039-spit-definition. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-rfc5039-spit-definition

BibTeX

@misc{warmtransfer-claim-sip-scanning-tdos-rfc5039-spit-definition,
  title  = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-rfc5039-spit-definition},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-rfc5039-spit-definition},
  note   = {Source note sip-scanning-tdos-rfc5039-spit-definition, checked 2026-09-25}
}

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