Yahoo on Tuesday said it is launching a service in the United States that lets people make phone calls through the company's instant messaging software. Available in several other countries since ...

As users are exposed to an increasing variety of mobile communication forms--mobile e-mail, voicemail, SMS, and, of course, voice--managing one's availability, or presence, becomes important. Wireless ...

Tens of millions of Americans use "instant messenger" programs to communicate at work. It's like e-mail, only faster. Get ready for the next development in the form — video instant messaging. Some ...

Google has launched an instant-messaging program that allows text chat and computer-to-computer voice connections, a move that highlights the search giant's increasing competition with Yahoo, ...

America Online Inc. said it’s close to releasing an interoperable version of its instant messenging and ICQ real-time chat services. The Dulles, Va.-based Internet service provider filed a status ...