Click To Call
Is one of message forms via the Internet; you only have to press the icon or button on the site and the connection with the operator will follow immediately. This function is often used on the websites for a quick connection.
Gatekeeper is an administrational tool for H.232 multimedia networks. A single unit can control interactions for each zone, which comprises the terminals, MCU's and gateway within the frames of a particular domain. Gatekeeper is an optional element, but when it available, it becomes the central administrative entity.
Callcentric
Callcentric is a service that lets you make free phone calls to other Callcentric members and to traditional phones world wide at great rates. Callcentric uses your internet connection and software on your computer or a telephone adapter to place calls us
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