The Direct Routing gateway parameter ForwardCallHistory defaults to False and, when enabled, makes the PSTN proxy send History-Info and Referred-By headers.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- Set-CsOnlinePSTNGateway
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Set-CsOnlinePSTNGateway (MicrosoftTeams) — Microsoft · tier 2 current vendor documentation · Parameters > -ForwardCallHistory
Cite this note
APA
WarmTransfer. (2026, October 2). SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-teams-callhistory-headers. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-identity-headers-teams-callhistory-headers
BibTeX
@misc{warmtransfer-claim-sip-identity-headers-teams-callhistory-headers,
title = {SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-teams-callhistory-headers},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-identity-headers-teams-callhistory-headers},
note = {Source note sip-identity-headers-teams-callhistory-headers, checked 2026-10-02}
}