The recommended anonymous From header is display name Anonymous with URI sip:anonymous@anonymous.invalid.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- From header
- Deployment
- multi-tenant, on-premises
- Region
- not restricted
- Release range
- RFC 3323
- Checked
- 2026-10-02
Sources
- RFC 3323: A Privacy Mechanism for the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Section 4.1.1.3
Cite this note
APA
WarmTransfer. (2026, October 2). SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-anonymous-from-uri. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-identity-headers-anonymous-from-uri
BibTeX
@misc{warmtransfer-claim-sip-identity-headers-anonymous-from-uri,
title = {SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-anonymous-from-uri},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-identity-headers-anonymous-from-uri},
note = {Source note sip-identity-headers-anonymous-from-uri, checked 2026-10-02}
}