![]() A gatekeeper might authenticate and authorize calls. The gatekeeper manages the zone for all registered endpoints in that zone.Ī gatekeeper may also provide these optional functions: The gatekeeper manages endpoint bandwidth requirements. ![]() The gatekeeper an endpoint's admission into the H.323 network. The gatekeeper translates telephone numbers and H.323 IDs to endpoint IP addresses. ![]() Gatekeeper functionsĪ gatekeeper provides a variety of functions. Other functions may include monitoring the network for load balancing and real-time network management applications, intrusion detection and prevention and providing interfaces to legacy systems. Although the gatekeeper is an optional component, when it is included, it becomes the central administrative entity.ĭepending on the demands of the specific network, the gatekeeper oversees authentication, authorization, telephone directory and private branch exchange ( PBX) services, as well as call control and routing. What does a H.323 gatekeeper do?Ī single gatekeeper controls interactions for each zone, which comprises the terminals, multipoint control units (MCU), and gateways within a particular domain. Gatekeepers are available as either hardware devices or software applications, and are offered as proprietary products from a number of vendors, including Cisco and Symantec, or as freeware. Its primary functions are to convert phone numbers to IP addresses for VoIP and provide interoperability between different networks. A gatekeeper is a management tool for H.323 multimedia networks.
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