HEATKEYS

Linphone, Free SIP VOIP client, open-source voip software for Linux, windows, mac, iphone, android. Free sip voip sdk.

The fastest and easiest way to get a SIP account for free video calling over the Internet. Register your SIP address with any VoIP phone or use our free internet phone for secure calling.

Free Zoiper softphone, Web Phone & SDK for windows, mac, linux & mobile phones. Get your own OEM branded and customized softphone. Free Download

HTML5 SIP client using WebRTC framework

Get Business VoIP Phones, VoIP Phone Systems and other VoIP Equipment for your VoIP solution. VoIP Supply is North America’s leading supplier of VoIP equipment and hardware. Over 85,00 served since 2002.

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

Find unified communications (UC) news, advice and research for IT professionals and learn about strategies for UC deployment, integration and management.

Kapanga Softphone is the premier SIP software phone integrating voice, video and fax over IP communications in one single application. Kapanga Softphone lets people make phone calls, video calls and send and receive fax while connected to a Voice ove...

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

The Award Winning Business Phone Service over the Internet. OnSIP business VoIP service is a hosted pbx system that allows you to streamline your business communications. There’s no phone company hassle, no phone system to buy or manage, no contracts