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Sangoma is a leading provider of hardware and software components that enable or enhance IP Communications Systems for both telecom and datacom applications.

Asterisk based IPBX & channel banks: High density, USB2, fax support, hot pluggable, rack mountable.

Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

Advanced Serial Port Monitor, Advanced Serial Data Logger and wide range of RS232 port software

3CX VOIP PBX - provides an easy to use, plug and play SIP - IP PABX for Windows. With a software based IP PBX you will save on PBX maintenance and halve your phone bill. Download the FREE edition today and break free from your proprietary phone syste...

Integra Telecom owns and operates its own network offering local phone service, domestic and international long distance, high-speed Internet and data services (including DSL), voice messaging, business phone systems and other services designed to su...

Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.

Savannah is a central point for development, distribution and maintainance of Free Software. It allows contributors to easily join existing Free Software projects.

CNET is the premier destination for tech product reviews, news, price comparisons, free software downloads, daily videos, and podcasts.