Source note · Migrating from Avaya Aura
For commercial Microsoft 365 tenants the SBC signals over SIP/TLS to port 5061 on sip.pstnhub.microsoft.com, sip2.pstnhub.microsoft.com and sip3.pstnhub.microsoft.com in priority order.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- direct-routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Plan Direct Routing, 'SIP signaling: FQDNs' and 'SIP signaling ports'
Cite this note
APA
WarmTransfer. (2026, September 25). Migrating from Avaya Aura: source note avaya-aura-migration-dr-signaling. WarmTransfer. https://warmtransfer.net/knowledge/claims/avaya-aura-migration-dr-signaling
BibTeX
@misc{warmtransfer-claim-avaya-aura-migration-dr-signaling,
title = {Migrating from Avaya Aura: source note avaya-aura-migration-dr-signaling},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/avaya-aura-migration-dr-signaling},
note = {Source note avaya-aura-migration-dr-signaling, checked 2026-09-25}
}