October 2002
Beginner
464 pages
11h 13m
English
Both home-office and small-office LANs can benefit from VoIP products and services. Several of these configurations are examined to illustrate the products and benefits. These product configurations can vary from simple devices that connect analog PSTN telephones to the Internet to reduce long-distance charges, to more sophisticated small-office PBX systems that connect remote offices into the central-office PBX using VoIP and that can provide reduced long-distance costs by routing long distance and international calls over the Internet or private IP networks at reduced rates. The primary benefits of these VoIP products and services are reduced long-distance costs, centralized telephony operation and ...
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