Free internet phone software for windows

Brix Networks has created a Google Gadget that provides an overall Voice over Internet Protocol (VoIP) Quality Report from different locations around the world that offers a quick and comprehensive indication of the quality you can expect of your Internet phone service.
The Internet Phone Quality Google Gadget periodically runs automated tests to determine current Mean Opinion Scores (MOS is an industry standard measurement of voice quality) relative to Actual Call Quality (ACQ) in real-time across various worldwide test locations to measure Internet phone quality.
Double-click on any location to test your own broadband connection to see if its ready for Internet Phone service.

Globe7 is a SIP based VoIP soft phone, which integrates robust technologies such as SIP stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. Globe7 is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Globe7 offers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. You can make international calls to any PSTN or mobile phone thus converting your laptop or desktop into a second telephone. Globe7 also offers outstanding features such as Video Call, Follow Me Service, Voice Mail, Video Chat, MP3 Player, Video Streaming, Fax and Online Search. The peer to peer Video Call facility enables you to call your Globe7 buddy with live video action in progress. Globe7 Follow Me Service enables you to get calls redirected to your landline or mobile phone when you are not online. You can also receive voice mails to your e mail When you are offline and unable to answer your calls. Through Globe7, you can have a live video chat with your Globe7 buddy. More than that, you can call your buddy?s Globe7, mobile, home or office number with a single click even while chatting. You can also listen to your favorite music through an MP3 player embedded in Globe7. You can add your favorite songs to your Play List and listen to them even while you chat with your buddies. Globe7 fulfils your entertainment needs by offering you video streaming. Choose your realm of interest - whether sports, music or whatever - you can watch your favorite videos instantly. Through Globe7, you can also receive fax directly to your e mail when you are offline. Apart from the outstanding features, you can also search online while chatting or making calls to your buddies. With all these remarkable features and many more to be added, Globe7 marks a new era in Internet.

On long distance and international calls, you can save heaps.
We offer:
No unanswered call fees
Calls are charged per second
Calls Firefly? to Firefly? are free
Free personal voicemail
There are no peak charges, so you can start saving on national and international calls straight away!
How does it work?
First, you need to register a number, then download Firefly? and install it.
Now you can call friends who are also using Firefly?. The call will be directed to their Firefly? phone, and its free!
For other phone calls, Firefly? takes advantage of our great calling rates. The call travels over the Internet, and then uses a normal phone service to reach your friend.
Your ISPs standard charges apply.

The worlds first standards-based, video web phone. Its easy to use, offers outstanding audio quality, and was designed to work with either Microsoft Explorer or Netscape Navigator. Requires a Pentium processor.