100Call 2.4.0.79 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. This free program is an intellectual property of 100Call. The most popular version of the software 2.4. 100Call.exe is the most frequent filename for this program's installer. The program lies within System Utilities, more precisely Device Assistants. We recommend checking the downloaded files with any free antivirus.
From the developer:
100Call is a Virtual Mobile IP Operator which provides mobile broadband telephone services.
Our system enables anyone to make and receive phone calls with a mobile phone, touch tone telephone, PC Softphone wherever broadband Internet connection and 3G&GSM network is available.
You may want to check out more software, such as HanDBase® for Series 60, which might be similar to 100Call.