Source note · Troubleshooting Teams Direct Routing
Direct Routing media between the SBC and Microsoft media processors is UDP/SRTP on ports 3478-3481 and 49152-53247 in both directions. Microsoft recommends allocating at least two SBC media ports per concurrent call.
Checked 2026-09-25
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone Direct Routing
- Subsystem
- media
- 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 · Media ports (table and Tip)
Cite this note
APA
WarmTransfer. (2026, September 25). Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-media-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-media-ports
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-troubleshooting-media-ports,
title = {Troubleshooting Teams Direct Routing: source note teams-direct-routing-troubleshooting-media-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-troubleshooting-media-ports},
note = {Source note teams-direct-routing-troubleshooting-media-ports, checked 2026-09-25}
}