Source note · Wrong or missing caller ID on outbound calls
When the Privacy header contains the 'id' token, RFC 3325 requires proxies to remove all P-Asserted-Identity header fields before forwarding to elements that are not trusted.
Checked 2026-09-25
If this token is present, proxies MUST remove all the P-Asserted-Identity header fields before forwarding messages to elements that are not trusted.
- Vendor
- IETF
- Product
- SIP
- Subsystem
- privacy
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3325
- Checked
- 2026-09-25
Sources
- RFC 3325: Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks — IETF / RFC Editor · tier 1 standards and regulators · Privacy 'id' handling text; retrieval placed it in Section 7 with the priv-value registered in Section 9.3; section number unconfirmed
Cite this note
APA
WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-privacy-id-strips-pai. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-privacy-id-strips-pai
BibTeX
@misc{warmtransfer-claim-caller-id-presentation-problems-privacy-id-strips-pai,
title = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-privacy-id-strips-pai},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-privacy-id-strips-pai},
note = {Source note caller-id-presentation-problems-privacy-id-strips-pai, checked 2026-09-25}
}