Source note · Teams Phone in GCC and GCC High and DoD
Office 365 GCC uses the same Direct Routing connection points as commercial Microsoft 365: sip.pstnhub.microsoft.com, sip2.pstnhub.microsoft.com and sip3.pstnhub.microsoft.com, in that priority order.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Microsoft Teams Direct Routing
- Subsystem
- SIP signaling
- Deployment
- gcc, multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · SIP signaling > SIP signaling: FQDNs, first table
Cite this note
APA
WarmTransfer. (2026, October 2). Teams Phone in GCC and GCC High and DoD: source note teams-phone-government-clouds-dr-gcc-commercial-fqdns. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-government-clouds-dr-gcc-commercial-fqdns
BibTeX
@misc{warmtransfer-claim-teams-phone-government-clouds-dr-gcc-commercial-fqdns,
title = {Teams Phone in GCC and GCC High and DoD: source note teams-phone-government-clouds-dr-gcc-commercial-fqdns},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-phone-government-clouds-dr-gcc-commercial-fqdns},
note = {Source note teams-phone-government-clouds-dr-gcc-commercial-fqdns, checked 2026-10-02}
}