Computer telephony system using multiple hardware platforms...

Details Computer telephony system using multiple hardware platforms... Computer telephony system using multiple hardware platforms...

2005-07-19

2005-07-19

Pham, Chi (Department: 2666)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S389000, C370S392000, C370S396000

Reexamination Certificate

active

06920143

ABSTRACT:
A computer telephony system includes a multi-platform architecture that provides a layer of abstraction between application software and hardware associated with a platform. According to this architecture, service modules residing on different platforms access computer telephony resources to facilitate performance of a variety of computer telephony services. Although local access to such resources is governed by diverse, platform-dependent protocols, the service modules communicate with one another according to a common, platform-independent protocol. In this manner, cross-platform communication is abstracted to isolate system software and firmware from hardware-based platform dependencies. Instead of threaded drivers creating a persistent, dedicated link with resources, communication can be accomplished via a common, platform-independent message packet protocol.

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Halsall, Data Communications, 1996, Addison-Wesley, 4thEdition, p. 651.

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