Products - GateKeeper
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Features

• Easy to use

The MultiVOIP Gatekeeper manages a “zone,” which is a collection of MultiVOIP gateways or other H.323 devices. Within each zone, the MultiVOIP Gatekeeper supports up to 20 default concurrent calls and 300 default registered endpoints. (Up to 1000 concurrent calls can be obtained by purchasing additional licenses, and up to 5000 registered endpoints can be obtained by adjusting the memory configuration.)

Multiple gatekeepers can be configured to support several zones. The MultiVOIP Gatekeeper uses an intuitive graphical user interface to provide a simple way to interact with the  gatekeeper. End-users can communicate using aliases (phone numbers) eliminating the need to remember complicated network addresses. Simple prefixes are used to access gatekeeper services such as call forward and out-of-zone dialing.

• Easy to Control
  With the MultiVOIP Gatekeeper, the following parameters can be defined by the network manager:

• Network parameters: Maximum number of calls or registrations; maximum total bandwidth; upper bandwidth used per call; and frequency of sending information request (IRR) “keep alive” messages.

• Gatekeeper parameters: Gatekeeper registration policies; routing options; alias resolution policies; and endpoint permissions.

• Gatekeeper services: Built-in services such as call forward, zones and exit zone; and customer services.

• Bandwidth management: With the MultiVOIP Gatekeeper, the network administrator can specify bandwidth limitations within a gatekeeper’s zone and can specify a bandwidth limit for gateway endpoints. For example, a gatekeeper may determine there is no bandwidth available for a call or no additional bandwidth available for an ongoing call requesting an increase. This provides an easy and effective means of controlling traffic volume.

• Address translation: The MultiVOIP Gatekeeper supports aliases (e.g., phone numbers) for each endpoint registered within the zone. Users call each other within a zone by simply dialing a number or string of characters instead of dialing a complex IP address.
This function is particularly important in scenarios where a phone on the circuit-switched network is attempting to call a phone connected to a gateway on an IP network.

• Zone management: The network administrator has complete flexibility in defining zones of H.323 endpoints that are under the administrative control of the gatekeeper. For example, zones can be defined according to geographic locations (such as different branch locations) or in accordance with the overlap of a physical network connection (such as a subnet on the floor of a building or a range of IP addresses), or by a functional (organizational) paradigm. Only those end points in the defined zone can register with the gatekeeper and take advantage of its call control services.

• Locate and route calls to other gatekeepers: A list of gatekeepers from other zones, called “neighbor gatekeepers,” can be created. This list is used to locate and route calls that are made to endpoints not in the gatekeeper’s zone to one of its neighbors’ zones, which is efficient for optimizing and controlling inter-zone communications.

• Network topology islands: The MultiVOIP Gatekeeper’s neighbor gatekeeper database also contains information about network topology. Network managers can divide the network into components, and use this topology island information for efficient routing within each subnet. This is valuable for establishing least-cost routing plans and for
optimally directing traffic by load balancing across gateways.