Source note · Setting up Microsoft Teams Direct Routing
For Microsoft 365, Office 365 and GCC, the SBC connects to sip.pstnhub.microsoft.com, sip2.pstnhub.microsoft.com and sip3.pstnhub.microsoft.com in that priority order.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- direct-routing-sip-signaling
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · SIP signaling: FQDNs
Cite this note
APA
WarmTransfer. (2026, September 24). Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-sip-fqdns-order. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-sip-fqdns-order
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-setup-sip-fqdns-order,
title = {Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-sip-fqdns-order},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-sip-fqdns-order},
note = {Source note teams-direct-routing-setup-sip-fqdns-order, checked 2026-09-24}
}