(1) See
IP phone,
VoIP and
softphone.
(2) (Internet Phone) The first VoIP telephone service in the U.S., introduced in early 1995 by VocalTec Communications Ltd., Fort Lee, NJ. Using a Windows softphone, calls could also be made to a regular phone. The company later evolved into providing VoIP infrastructure systems for carriers. See
VoIP and
softphone.