HEATKEYS

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

Avaya, a global leader in business communications, provides solutions directly and through its channel partners to leading enterprises around the world.

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...

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

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

An online computer dictionary and internet search engine for internet terms and technical support.

Voice and high-speed Internet access services and solutions for business

Internet phone service for your home or office. Pay per call and Unlimited rate plans, phone numbers worldwide. Sign up for a free account today.

ShoreTel Sky provides hosted VoIP phone systems and applications with an experience that businesses love.

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