Explore a directory of Internet telephone service providers and a bulletin board, or purchase Ahern's line of telephone headsets and handsets.

Manufactures Internet telephone devices. Find a company overview, product information and list of contacts.

Offers an array of Web-based personalized communications services including PC-to-phone, phone-to-phone and prepaid calling cards.

Internet telephone service offers low-cost calling from personal computers to telephones in the United States, Canada and additional countries.

Learn about the free PC to telephone services offered by this company including free international calling.

Guide describes VoIP services that make long-distance Internet phone calls possible on a PC-to-phone or PC-to-PC basis. Find links to providers.

Service offers free PC-to-phone calls, calling cards and Internet access. Learn about the webmaster resources.

Make free PC-to-phone calls on the Internet with a free Net phone. Find resources for free Internet phone services.

Find out how to make a domestic or international telephone call from a PC with this service. Get a prepaid calling account, or make a demo call.

Communications software lets customers use a computer as an Internet phone and fax machine, a voicemail system, and a data-transfer system.

Freeware permits Mac and Windows users to use their computers as secure telephones over the Internet.

Invites prospective customers to try out its free domestic and international computer-to-computer telephone services.

Offers users with a 12-digit Permanent Communications Number which enables them to place and receive audio or video calls direct to another PC.

Offers flat-rate long distance plans for home phones via the Internet. Find package plans and service agreements.