What is a softphone?
Install the software phone on any device: computer, laptop, netbook, smartphone to receive and make calls through the Internet.
For such calls or video calls you don’t need any additional hardware except microphone and headphones or speakers. And for video, of course, you need the video camera. That is, you can call and through mobile phone, because it has all attributes.
Most of softphones also includes chat, provide creation of video conferences, forwarding and sending SMS.
We suggest you use the popular softphones for communication through Excel: