Your computer must have a full-duplex sound card, a microphone and headset to be connected to the Internet. Clickphone install the softphone on your computer, then configure the data received from the media. Computer software (softphone) can simulate a landline phone easy to use. Software for softphone usually mimic the appearance of a real phone and can take the form of either an independent program with its own window, or program embedded in a Web application or software for other computers. Orders can be placed either by keyboard or onscreen interface. Conversations are conducted on a set of headphones with a microphone, with a microphone and computer speakers or a USB softphone - a phone that connects to the USB port of PC / community. Computer sound card is used to provide audio input and output signal.