VoIP

Skype and Nokia have released a new Skype client for the Symbian mobile OS.

The U.S. Patent and Trademark Office has agreed to review a controversial patent issued in 2001 that is claimed to cover much of the technology underlying VoIP.

Cisco Systems Inc. plans to add voice-over-Wi-Fi capabilities to its existing iPhone app by April, part of a continuing effort to expand its unified communications technology into the mobile space.

Carriers and aid workers are scrambling to rebuild communications in Haiti following the catastrophic Jan. 12 earthquake near the capital city of Port-au-Prince, which left many residents with no means of communicating inside or outside the country.

Skype has released the latest version of its application for the iPhone, adding new features and fixing a couple of annoying bugs that hung up calls.

China's cyberthreat response group Monday warned local Skype users about phishing scams being carried out through the chat program, in a show of ongoing efforts to counter phishing in the country.

The FCC is seeking advice on how to light a fire under traditional voice carriers in order to speed up their transition from circuit switching to IP networks.

Any business that has a corporate VoIP system can now use Skype's SIP trunking service as a way to cut the cost of corporate phone bills.

With Skype's legal troubles now cleared up, it's a good time to learn more about the company than just what features it offers. Here 10 questions designed to give you a better understanding of the peer-to-peer VoIP vendor.

The steady rise in people using IP telephony to communicate -- for personal and business reasons -- has led to the development of a number of different VoIP "softphones" that can be used on a PC or notebook.

Google is bulking up its phone offerings with the acquisition of Gizmo5, a company that offers voice-over-IP software for mobile phones and computers.

Cybercriminals have found a new launching pad for their scams: the phone systems of small and medium-sized businesses across the U.S.

If you're thinking about using Skype for Business as a way to save money you might want to put it off until the courts settle lawsuits that swirl around plans to sell the company.

In addition to the well-known Asterisk, there is a vibrant community of open source software PBX systems that can be used for internal and service provider IP telephony. Here are five exciting open source VoIP and UC projects to keep an eye on.