CounterPath's X-Lite 3.0 is the market's leading free SIP based softphone available for download. Based on the advanced architecture of eyeBeam 1.5 (CounterPath's carrier grade telephony client), the newX-Lite is designed to showcase some of the feature rich abilities available with our commercial softphone such as superior audio and video quality, zero-touch configuration, IM & Presence, and a comprehensive personal address list.

The license of this software is Freeware, you can free download and free use this internet phone software.