No. X-Lite 3.0 is a pure SIP client. It cannot register to proprietary protocols like Teams (which uses Skype for Business protocol) without a SIP gateway.
: Popular third-party SIP clients that remain actively updated for modern Windows and Mac versions. x lite 3.0 download filehippo
Once installed, you will need your (Server/Domain, Username, and Password) from your VoIP provider to go online. Security and Compatibility Considerations you will need your (Server/Domain