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.
The CallshopCompany was founded in 1999 in the Netherlands, under the name TeleVeling. Our main goal was to build up contacts to different authorities, in order to buy and sell the telephone lines among these authorities. We have focused on a spezial mark
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