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.
Phonekall is a leading telecom service provider that deals with the VoIP services. It offers the clients with advanced technology solutions for making calls globally with enhanced functionality and support.