Getting access to the network
Understanding the costs of service categories
Surviving your monthly bills
Analyzing savings with a case study
In the old days of making calls with a telephone (remember, just last year), you paid for a phone line. Your company may have had one network to handle dozens or even hundreds of phone lines coming into your business and another network to handle computers. Now companies can converge both networks into one. By using VoIP over a private data network, your company can bypass the older, more expensive way of using the public circuit-switched network.
Although some local telephone lines may be necessary, you can reduce or eliminate the cost of your older telephony infrastructure, the total volume of call minutes per month, line-related regulatory fees and taxes, and therefore most if not all of your total phone bill. When was the last time your phone bill was less than you thought it would be?
This chapter describes the bottom-line savings of using VoIP. You see how traditional ...