3CXPhone for Android is a free VoIP Softphone that works with SIP based IP PBXs such as 3CX or Asterisk and popular VoIP providers. 3CXPhone is not locked to a particular provider so you can switch easily. More information on http://www.3cx.com/VOIP/voip-phone.htmlPhones 3CXPhone for Android has been tested with:- HTC Wilfire S: Android 2.3.3- HTC Wildfire : Android 2.2, build 2.22.405.1- HTC Desire : Android 2.2- Samsung GT-I9100 : Android 2.3.3- Sony Ericsson Xperia U20i: Android 2.1 build 2.1.1.A.0.6- Sony Ericsson Xperia X10i: Android 2.0, build 2.0.2.A.0.24- Motorola XOOM: Android Honeycomb 3.1- HTC EVO 4G: Android 2.3- Asus Transformer HC 3.1UNRELIABLE - Samsung GT-I5800 2.2.1Known issues:Motorola Droid X is not supportedAndroid 1.5 is not supportedOn Samsung GT-I5900, volume adjustment by device's volume button has no effect.If using on 3G, ensure that the telecom provider is not blocking VoIP ports.Recent changes:1.3.4 - includes support for tablets and has more intuitive in/out of office icon1.3.3 - Improved echo cancellation Added Toggle to easily switch between in office and out of office.Changed notations for Local PBX IP and External PBX IPIncreased Microphone gain for better outgoing sound volume and less echoContent rating: Everyone
