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Oracle Documentation

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

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...

Nokia Developer helps developers build mobile phone apps that delight consumers on Nokia Lumia, Nokia X and Nokia Asha platforms.

Twilio lets you use standard web languages to build voice, VoIP and SMS applications via a web API. Build the next generation of communications with us.