Stephen P. Olejniczak

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Telecom For Dummies

by Stephen P. Olejniczak

  • 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 businesses how...


VoIP Deployment For Dummies

by Stephen P. Olejniczak

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 network...