A software program that is used for making voice calls over VOIP using personal computer rather than using a handset is called softphone.
A technology that allows us to make calls using internet connection is called VOIP.
The softphone behaves like a phone and it appears as an image of a telephone on the computer screen.
The softphone can be used either with a headset that is connected to the personal computer’s sound card or with a USB phone.
The softphone allows us to carry out the functions of the phone using the computer screen, mouse and keyboard.
In order to establish an end to end connection, both the end points should support the same VOIP and one common audio codec.
Features
A softphone provides all telephony features like DND, Flash, Hold, Transfer etc., It also provides several additional features for online messaging like user presence indication, video and wide-band audio. A user requires the things listed below to make calls over the internet.
