Develops carrier-grade VoIP access gateways, which bridge legacy PSTN and next-generation IP access networks. Peruse the application notes.

Software company develops and distributes applications that enable live voice chat via the Net.

German company develops and produces voice-over IP gateway telephony products. Download user manuals, data sheets, and support files.

Manufacturer of VoIP Internet telephony products and ISDN terminal equipment. View product catalogs and applications and download drivers.

Learn about the supplier of QoS brand IP telephony products and services, which combine voice over IP telephony and data integration.

Offers service providers voice-networking products and network-based applications that allow for the delivery of converged VoIP, standard PSTN, and mobile networks.

Company offers voice over IP (VoIP) migration tools to service providers and other businesses. Access product descriptions and spec sheets.

Offers free and paid VoIP services.

Telogy's Voice over IP (VoIP) software enables equipment manufacturers to develop products that send voice/fax/data over packet networks.

VOIP gateway vendor for Internet telephony and voice-over IP equipment offers gateways for customer premises and carrier class.

Check out this voice-over-Internet protocol resource that includes news, links, surveys and a dictionary. Includes a dictionary and a survey.

Offers voice, video and data communications over the Internet without long-distance charges. Downloadable demo is limited to three minutes.