SuperVoice VoIP makes it easy to add another phone line to your home or business. It is a Windows based softphone and answermachine for Voice Calls over the Internet (VoIP). To use SuperVoice VoIP, simply download it, choose a SIP provider, enter your user name and password?you are ready to go Features Include: -Multiple Lines for incoming and outgoing phone calls -Custom Ringtones..hear a different tones if you have an important caller on the line based on -Caller ID -On Screen Dialer -Record your own answermachine greetings with wave or MP3 files -Customizable ring tones, wave files as well as MP3 files -Incoming call log -Simple to use phonebook with favourites list -Fast Speed dial buttons -Last number redial -Background operation -Optimum sound quality -Supports a variety of audio codecs -Record a conversation -Up to 6 simultaneous calls -Supports multiple sip accounts for incoming and outgoing calls -You can have a different answer machine greeting for each sip account -Call screening -Automatic number completion with our prefix feature, no need to enter the full number -Know who left a message, caller id is stored with messages. -Call Transfer even if your sip provider does not support this -Transfer calls between sip providers -Conference Calling, up to 6 people on different lines or even sip providers if needed -Last Number Redial -Incoming call log with call-back facility -Mute facility if you need to talk to your colleague -Supports minimized in icon bar and on tool bar to minimize use on desktop -non-intrusive popup on incoming call with answer option and straight to answer machine option -Displays caller id of incoming call -Default answering greetings in 14 languages: Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Spanish and Swedish