

This is the Internet-facing component of Direct Routing that handles media traffic. This is the Internet-facing component of Direct Routing that handles SIP (TLS) connections between the SBCs and Direct Routing. The customer SBC interfaces with the following components in the Microsoft Teams backend:

This article is intended for voice administrators who are responsible for configuring the connection between the on-premises Session Border Controller (SBC) and the Session Initiation Protocol (SIP) proxy service.

This article describes how Microsoft Phone System Direct Routing implements RFC standard protocols.
