Call control using a layered call model

Details Call control using a layered call model Call control using a layered call model

2003-10-03

2008-10-28

Pham, Chi H. (Department: 2616)

Multiplex communications

Pathfinding or routing

C370S401000

Reexamination Certificate

active

07443831

ABSTRACT:
An aspect of the present invention provides a method of controlling a multi-layer transport network. In accordance with the invention a determination is made as to whether a connection supporting a performance requirement of a call can be established within a first layer of the network. If the connection cannot be established, an association is defined between the call and a second call instantiated within a respective server layer of the network. By this means a network call controller in a client layer relies on a call and connection in a server layer instead of a connection in the client layer.

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