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DEFINITY Enterprise Communications Server Release 8.2 | Issue 1 | ||
Overview | April 2000 | ||
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System Management Features |
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Trunk Management | 82 | ||
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Tandem
In an Electronic Tandem Network, DEFINITY ECS provides a variety of features on a
■Uniform Dial Plan (UDP) — A unique four- or
■Extension Number Portability — When employees move within the network, they can retain their extension numbers. The ability to keep extension numbers, and even Electronic Tandem Network and Direct Inward Dialed numbers, when moving to other locations within the company eliminates missed calls and saves valuable time.
■Traveling Class Marks — Traveling Class Marks are a mechanism for passing a caller’s facility restriction level from one Extended Tandem Network switch to another. Traveling Class Marks allow privilege checking to be passed across switches through the Electronic Tandem Network.
■Automatic Alternate Conditional Routing — You can control the routing of particular calls using conditional routing. For example, you can limit the number of communications satellite hops (communications satellite links used as trunks) in any
■Enhanced Trunk Signaling and Error Recovery — The reliability of Electronic Tandem Network calls is improved by allowing a trunk call to be retried on another circuit when signaling failures occur.
tandem switch: A switch within an electronic tandem network (ETN) that provides the logic to determine the best route for a network call, possibly modifies the digits outpulsed, and allows or denies certain calls to certain users.
tandem through: The switched connection of an incoming trunk to an outgoing trunk without human intervention.
tandem
See also,