3CXPhone – VoIP / SIP phone

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.html

Phones 3CXPhone for Android has been tested with:

- HTC Sense One : Android 4.0.3
- HTC Wilfire S: Android 2.3.5
- HTC Wildfire : Android 2.2.1
- HTC Desire : Android 2.2.2
- HTC EVO 4G: Android 2.3
- Samsung GT-I9100 : Android 4.0.3
- Samsung GT-I9100 : Android 2.3.3
- Samsung GT-I9000 : Android 2.3.6
- Samsung Galaxy Tab 10.1 GT-P7500 : Android 3.1
- Samsung Galaxy Pro GT-B7510 : Android 2.2.2
- Samsung Galaxy Note N7000 : Android 3.1
- Sony Ericsson Xperia X10i: Android 2.3.3
- Sony Ericsson Xperia U20i: Android 2.1
- Motorola XOOM: Android Honeycomb 3.1
- Motorola Droid Razr: Android 4.0
- Motorola Milestone XT720 : Android 2.1.1
- Asus Transformer HC : Android 3.1

UNRELIABLE
- Samsung GT-I5800 2.2.1

Known issues:

Motorola Droid X is not supported
Android 1.5 is not supported
On 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.

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