Publisher: McGraw-Hill Professional | ISBN: 0071410767 | edition 2003 | PDF | 337 pages | 12,3 mb
Despite the features that make Voice over IP so attractive from the standpoint of cost and flexibility of telephone services, businesses will only adopt it once they’ve determined whether, and under what circumstances, the quality of VoIP will be satisfactory to users. In these pages you’ll find everything you need to know to answer those questions, both now and in the future as other packet-switched voice services emerge.
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