Caller ID/answering machine application designed to manage your incoming phone calls.

Allows users to make free phone calls over the Internet using a downloadable program or a regular telephone connected to a computer network.

Offering international PC to phone services and virtual calling cards.

Developers of a Java-based voice-over-IP telephone for service providers and enterprises.

Resource page for those interested in the emerging field of Internet telephony, as well as streaming video products.

Develops integrated Voice Over IP billing applications, including debit card, gateway to gateway IP relay, gateway-to-gateway billing, NOC, and real-time monitoring products.

Provides hardware and software solutions for Internet telephony and voice over IP.