With split-tunnel VPN, a client detected as external is signalled to the SBC as external even if it can reach the SBC's internal interface, which can cause prolonged call setup or no audio on PSTN calls; Microsoft says VPN administrators must block access between remote VPN users and the SBC internal interface.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone Direct Routing
- Subsystem
- local media optimization
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Configure Local Media Optimization for Direct Routing — Microsoft · tier 2 current vendor documentation · Configure the user and the SBC sites, Note
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-lmo-vpn. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-media-bypass-setup-lmo-vpn
BibTeX
@misc{warmtransfer-claim-teams-media-bypass-setup-lmo-vpn,
title = {Setting up media bypass and local media optimization for Teams Direct Routing: source note teams-media-bypass-setup-lmo-vpn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-media-bypass-setup-lmo-vpn},
note = {Source note teams-media-bypass-setup-lmo-vpn, checked 2026-09-30}
}