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The first VoIP
In February of 1995, VocalTec Communications Inc., an Isreali company, released the first ever internet VoIP software: the Internet Phone. The company was founded in 1989 by Alon Cohen and Lior Haramaty, who invented and patented the first Voice over Internet Protocol (Voice over IP, or VoIP). The Internet Phone by VocalTec had the ability to do VoIP call despite the network and hardware limitations of 1995, which comprised of 486 based PCs and modems of 28.8 kbps speed. In the March of 1996, VocalTec introduced also the first ever IP-PSTN breakout gateway. VocalTec was the first in introducing PC to PC VoIP client. Other companies, such as Nuera, Net2phone, Cisco Systems , Clarent, Vienna Systems, introduced similar solutions subsequently. References and useful resources:
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