History of iPhone
On January 9, 2007, Steve Jobs announced iPhone at the Macworld convention, receiving substantial media attention. Jobs announced that the first iPhone would be released later that year. On June 29, 2007, the first iPhone was released.
VocalTec
VocalTec released the first ever Internet VoIP application in February 1995. The product was named Internet Phone but according to Wired magazing many people simply called it iPhone; and was the world's first VoIP software.