VocalTec
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VocalTec ltd., VocalTec Communications Inc. (NASDAQ:VOCL), is an Israeli telecom equipment provider. The company was founded in 1989 by Alon Cohen and Lior Haramaty, who invented and patented the first Voice over IP audio transceiver. They continue to be a leading VoIP company, with major customers such as Deutsche Telekom and Telecom Italia.
VocalTec released the first ever Internet VoIP program in February 1995. The company went public during 1996, and in 2005, completed an aquisisition of Tdsoft, a provider of VoIP gateways.