So you're in charge of implementing a VoIP phone system for your organization? VoIP Deployment For Dummies is a crash course in Voice over Internet Protocol implementation! Here's how to analyze your
Worldwide telecom spending was over $4 trillion in 2004, and virtually all 12 million businesses in the U.S. buy phone and other telecom services Our book shows people at small and medium-sized busin
Your company can save tons of money by taking advantage of Asterisk, an open-source PBX that allows you to bridge data and voice communications. Asterisk for Dummies saves you all the worries and con