Source note · Teams Phone Direct Routing and SBC certification
Non-bypass Direct Routing media between Microsoft Media Processors and the SBC uses UDP/SRTP on ports 3478–3481 and 49152–53247. Microsoft recommends at least two media ports on the SBC per concurrent call.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- media
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-23
- Checked
- 2026-09-23
Sources
- Plan Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · section 'Media ports' table and Tip
Cite this note
APA
WarmTransfer. (2026, September 23). Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-media-ports-nonbypass. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-media-ports-nonbypass
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-media-ports-nonbypass,
title = {Teams Phone Direct Routing and SBC certification: source note teams-direct-routing-media-ports-nonbypass},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-media-ports-nonbypass},
note = {Source note teams-direct-routing-media-ports-nonbypass, checked 2026-09-23}
}