Source note · Setting up an Oracle SBC for Teams Direct Routing

New-CsOnlinePSTNGateway has an IPAddressVersion option (IPv4 or IPv6); with IPv6 the SBC must use IPv6 for both signaling and media, and Microsoft does not support media bypass with IPv6 SIP, IPv6 media or the IPv6 Teams client, nor mixed IPv4/IPv6 SIP and media.

Checked 2026-09-30

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

Sources

Connect your Session Border Controller (SBC) to Direct Routing — Microsoft · tier 2 current vendor documentation · Connect the SBC to the tenant, Considerations, IPAddressVersion bullet

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up an Oracle SBC for Teams Direct Routing: source note oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass. WarmTransfer. https://warmtransfer.net/knowledge/claims/oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass

BibTeX

@misc{warmtransfer-claim-oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass,
  title  = {Setting up an Oracle SBC for Teams Direct Routing: source note oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass},
  note   = {Source note oracle-sbc-teams-direct-routing-setup-ipv6-no-bypass, checked 2026-09-30}
}

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