IaxAgent allows you to make phone calls using VoIP. Ideally for reducing the cost of your long distance calls when configured with your preferred IAX/VoiP provider. IaxAgent can also be integrated into an office environment when configured with your local PBX. Please note that IaxAgent only supports IAX. If you are looking for a SIP client, you can find 3CXPhone on the Android Market. Please send your feedback via email@example.com.