Media bypass is controlled per SBC with Set-CsOnlinePSTNGateway -MediaBypass; with bypass, media can flow directly between the Teams client and the SBC, but SIP signaling always flows through the Microsoft cloud.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Teams Phone Direct Routing
- Subsystem
- 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 · About media bypass with Direct Routing; Call flow if the user has direct access to the public IP address of the SBC
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-mb-signaling-cloud. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-mb-signaling-cloud
BibTeX
@misc{warmtransfer-claim-cucm-teams-hybrid-build-mb-signaling-cloud,
title = {Building a hybrid Unified CM and Teams Phone environment for a phased migration: source note cucm-teams-hybrid-build-mb-signaling-cloud},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-teams-hybrid-build-mb-signaling-cloud},
note = {Source note cucm-teams-hybrid-build-mb-signaling-cloud, checked 2026-09-24}
}