HEATKEYS

the best softphone for service providers

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

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...

Voipswitch , software for VoIP providers, mobiles, windows computers, Class 5 softswitch, billing, IP PBX, Callback, Calling cards...

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

Softphone SDK, SIP SDK, VOIP SDK, IVR SDK, IMS SDK, Softphone, Webphone, Customization Softphone

VoIP-Sol.com offers tips, guides and in-depth advice on VoIP, internet telephony, video conferencing and online meetings.

Download Express Talk Softphone for Pocket PC Free. Internet phone to make calls on your Pocket PC

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...

Android and Windows Mobile Developers - The Largest Community for Smartphone Hacks and Development of Apps

Voxilla has been a trusted source for accurate, up-to-date information on the IP Communications industry since 2002. A dedicated staff of reporters and engineers produce feature articles and product reviews to keep industry watchers abreast of the p...