Source note · CUCM to Teams Phone migration
For direct media between a Teams client and the SBC, UDP/SRTP is required on destination ports 50000-50019 at the SBC, whereas media to and from Microsoft Media Processors uses 3478-3481 and 49152-53247.
Checked 2026-09-16
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- media ports
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Plan for media bypass with Direct Routing — Microsoft · tier 2 current vendor documentation · Media traffic: IP and Port ranges > Requirements for direct media traffic and Requirements for using media processors
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Teams Phone migration: source note cucm-to-teams-phone-media-bypass-direct-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-media-bypass-direct-ports
BibTeX
@misc{warmtransfer-claim-cucm-to-teams-phone-media-bypass-direct-ports,
title = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-media-bypass-direct-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-media-bypass-direct-ports},
note = {Source note cucm-to-teams-phone-media-bypass-direct-ports, checked 2026-09-16}
}