How to Navagate Phone Trees in X-Lite
Since your X-Lite softphone is running while you are logged into the Predictive Dialer, just bring it to the front and begin using it's number pad.
Once you have finished navigating, you can simply bring the browser that you are using the Predictive Dialer in to the front again to continue.
Please Note:
This can also be done using a Zoiper softphone.