If you are aware about the VoIP then you have heard the name of Softphone software. It is used to make VoIP voice calls directly from the computer or mobile devices. Till now, this software was used just for the audio call by using the internet connection. But, after research and development, this software advanced a lot and incorporated the video calling feature. This software works on the SIP protocol and efficiently delivers the functionality of voice and video session transmission over the internet.