In IP Telephony 101, I looked at the pros and cons of IP telephony, and a few of the considerations you should explore before making the switch to VoIP.
We’ll turn now to the nitty-gritty of VoIP systems: the architecture, the equipment, the network structure, the software, and what you can expect to pay.
But before we start, let’s get WAN and LAN out of the way. A LAN (local area
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pay. But before we start, let’s get WAN and LAN out of the way. A LAN (local area network) serves a small geographic area (such as a localized group of buildings). A WAN (wide area network) is suitable for broad geographic areas. Architecture VoIP architecture refers to the sum total of your VoIP system components, including hardware (computers, phone systems, routers, switches, hubs, cables and so on) and software (whether for telephony, audio conferencing, video conferencing, Web conferencing,