TAPI Installation Installation After the installation is completed, the corresponding TAPI client icon will appear in the system tray. Right-click here to open the Settings: Enter the desired Data at this point: User: Your Sales rep. Number from the backend Password: You set the Password in the backend in your Employee using the button: URL: Here you enter the URL to your backend TAPI Line: here you activate the telephone software Save everything.   If the TAPI Line cannot be selected, it must be added here: