Microsoft lists three conditions to turn on media bypass: the SBC vendor supports it and documents SBC-side configuration, the trunk is switched with Set-CsOnlinePSTNGateway -Identity <sbc_FQDN> -MediaBypass $true, and the required ports are open.

Checked 2026-09-30

Vendor
Microsoft
Product
Microsoft Teams Phone Direct Routing
Subsystem
media bypass
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up media bypass and local media optimization for Teams Direct Routing: source note teams-media-bypass-setup-cfg-conditions. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-media-bypass-setup-cfg-conditions

BibTeX

@misc{warmtransfer-claim-teams-media-bypass-setup-cfg-conditions,
  title  = {Setting up media bypass and local media optimization for Teams Direct Routing: source note teams-media-bypass-setup-cfg-conditions},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-media-bypass-setup-cfg-conditions},
  note   = {Source note teams-media-bypass-setup-cfg-conditions, checked 2026-09-30}
}

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