Source note · Setting up Microsoft Teams Direct Routing
When bypass media flows through Teams Transport Relays (52.112.0.0/14 in commercial and GCC), relay-to-SBC traffic uses source ports 50000 to 59999 and SBC-to-relay traffic uses destination ports 50000 to 59999 and 3478 to 3481.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- direct-routing-media-bypass
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Plan for media bypass with Direct Routing — Microsoft · tier 2 current vendor documentation · Media traffic: IP and Port ranges > Requirements for using Transport Relays
Cite this note
APA
WarmTransfer. (2026, September 24). Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-bypass-relay-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-bypass-relay-ports
BibTeX
@misc{warmtransfer-claim-teams-direct-routing-setup-bypass-relay-ports,
title = {Setting up Microsoft Teams Direct Routing: source note teams-direct-routing-setup-bypass-relay-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-direct-routing-setup-bypass-relay-ports},
note = {Source note teams-direct-routing-setup-bypass-relay-ports, checked 2026-09-24}
}