Source note · SRTP and media encryption negotiation
Direct Routing media flows as UDP/SRTP in both directions between the Microsoft Media Processor and the SBC on ports 3478-3481 and 49152-53247.
Checked 2026-09-23
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- firewall
- 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'
Cite this note
APA
WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-teams-dr-srtp-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-teams-dr-srtp-ports
BibTeX
@misc{warmtransfer-claim-srtp-media-security-teams-dr-srtp-ports,
title = {SRTP and media encryption negotiation: source note srtp-media-security-teams-dr-srtp-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/srtp-media-security-teams-dr-srtp-ports},
note = {Source note srtp-media-security-teams-dr-srtp-ports, checked 2026-09-23}
}