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LifeSize is the first company to develop and deliver high definition video conferencing products. LifeSize

A VOIP gatekeeper for H.323. Build your own VOIP or video conferecing system with free H.323 software.

HD Desktop video conferencing - Interactive VVoIP applications - HD video telephony client - Video Portal - 3G Gateway - Video Call to TV - Video Chat - Video Blog - Video Mail

VTCTalk.com is a forum dedicated to videoconferencing equipment, video conferencing systems and videoconference software for e.g. distance learning, multipoint videoconferencing, video teleconferencing and telemedicine.

RSDevs.com enables worldclass IP (VoIP) Communication, Telephony, H.323, H.239, SIP, Skype, VoIP, multiline multiport PBX exchange PSGw 2.0 MESSiX, software based PBX, Collaboration, Webconferencing and Integration in ERP, CRM, SCM, communication ena...

We produce the best softphones, webdialers and other SIP/H.323 VOIP software for service providers, PDA and smartphone vendors and ISVs.

Hello to all, I'm basically a tech-guy who loves writing on technology, Open Source, Linux and VoIP Systems and PBX like Asterisk. I'm a non-native...

VentureVoIP is a research and development company in the field of Message Broadcasting, Predictive Dialing, PABX, Call Centre Systems and Telephone Exchanges.

Welcome to voip.about.com, your guide site to everything Voice Over IP, also called VoIP, IP Telephony or Internet Telephony. Learn how to make free or cheap local and international calls using your PC or phone. Stay updated on VoIP hows and whats, V...