flaphone 2.61 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following version: 2.6 is the most frequently downloaded one by the program users.
FlaphoneAir.exe is the default file name to indicate the flaphone installer. Flaphone is suitable for 32-bit versions of Windows XP/Vista/7/8.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The actual developer of the free software is Innovative Systems of Communication LLC. The software lies within System Utilities, more precisely Device Assistants.
From the developer:
Flaphone™ is a SIP (Session Initiation Protocol) compatible web softphone, that is working in web browser without installation of any specific software*. Everything that you need is internet connection, speakers and microphone**. Flaphone™ users can call each other, to SIP phones, and any phone numbers, if SIP provider accounts are configured in control panel.
You may want to check out more software, such as EOS Utility, iPHUC for Windows or SoftX Internet Logger, which might be similar to flaphone.