Source note · Teams location-based routing
LBR first matches the endpoint's external IP against the tenant's trusted IP list; only if it matches does it look up the internal subnet, and otherwise the endpoint is classified as being at an unknown location.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- network-topology
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Configure network settings - Location-Based Routing — Microsoft · tier 2 current vendor documentation · Define trusted IP addresses (external subnets)
Cite this note
APA
WarmTransfer. (2026, September 25). Teams location-based routing: source note teams-location-based-routing-trusted-ip-first. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-location-based-routing-trusted-ip-first
BibTeX
@misc{warmtransfer-claim-teams-location-based-routing-trusted-ip-first,
title = {Teams location-based routing: source note teams-location-based-routing-trusted-ip-first},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-location-based-routing-trusted-ip-first},
note = {Source note teams-location-based-routing-trusted-ip-first, checked 2026-09-25}
}