Teams attempts IP-based dynamic policy or location lookup only when the client's external IP matches a tenant trusted IP address, but switch/port (LLDP) and BSSID lookups are made regardless of trusted IP match.
Checked 2026-10-01
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- Network settings / trusted IPs
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Configure dynamic emergency calling — Microsoft · tier 2 current vendor documentation · Configure dynamic emergency calling > Configure network settings (paragraph on trusted IP addresses and following Note)
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-teams-trusted-ip-gate. WarmTransfer. https://warmtransfer.net/knowledge/claims/e911-routing-failures-teams-trusted-ip-gate
BibTeX
@misc{warmtransfer-claim-e911-routing-failures-teams-trusted-ip-gate,
title = {Troubleshooting 911 calls that route with the wrong location: source note e911-routing-failures-teams-trusted-ip-gate},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e911-routing-failures-teams-trusted-ip-gate},
note = {Source note e911-routing-failures-teams-trusted-ip-gate, checked 2026-10-01}
}