Stephen P. Olejniczak

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 confusion with its easy-to-use, step-by-step walkthrough of the entire program that will have you set up in no time! Asterisk takes the data side of telecom and...

Find out how to manage your telecom services and save your company money! 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. Telecom For Dummies offers guidance to individuals at small and medium-sized businesses, helping them make sense of telecom lingo and secure the best...