External trusted IP addresses are added in the Teams admin center under Locations > Network topology > Trusted IPs > Add, or with New-CsTenantTrustedIPAddress.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Network topology
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Manage your network topology for cloud voice features in Microsoft Teams — Microsoft · tier 2 current vendor documentation · Manage external trusted IP addresses, Add a trusted IP address; Define external subnets
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-trusted-ip-path. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-trusted-ip-path
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-setup-trusted-ip-path,
title = {Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-trusted-ip-path},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-trusted-ip-path},
note = {Source note teams-sip-gateway-setup-trusted-ip-path, checked 2026-09-30}
}