Starting 1 January 2026, the same tenants must also exclude additional SIP Gateway service IPs in the 70.152.0.0 space (for North America 70.152.106.56, 70.152.136.2, 70.152.120.55 and 70.152.38.25, with separate EMEA and APAC lists).

Checked 2026-10-02

Vendor
Microsoft
Product
Microsoft Teams SIP Gateway
Subsystem
conditional-access
Deployment
multi-tenant
Region
not restricted
Release range
from 2026-01-01
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-ca-2026-service-ips. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-ca-2026-service-ips

BibTeX

@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-ca-2026-service-ips,
  title  = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-ca-2026-service-ips},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-ca-2026-service-ips},
  note   = {Source note teams-sip-gateway-troubleshooting-ca-2026-service-ips, checked 2026-10-02}
}

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