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System and method for developing and processing automatic response unit (ARU) services
| Details |
Inventors: Johnson, William J.;
Assignee: MCI Communications Corporation (Washington, DC)
Primary Examiner: Tsang; Fan
Assistant Examiner: Escalante; Ovidio
Attorney, Agent or Firm:
A system and method for facilitating the design and development of automatic response unit (ARU) services and for processing automated response unit (ARU) services. The present invention comprises a compiler and interpreter that facilitate the development of an ARU service encoding. The interpreter is one embodiment of the present invention that may be used for processing an ARU service encoding. The present invention further comprises a graphical user interface (GUI) tool for creating and maintaining an ARU service encoding. An ARU service encoding is a tree structure comprised of service nodes wherein each service node may represent a caller's menu selection from the ARU service. Each service node has multiple components including variable support, message capability, processing capability, and default capability. The present invention parses the ARU service encoding for service nodes. For each service node, the present invention processes node variables, prefunction messages, automated input, prefunction interactions, functions, postfunction interactions, and postfunction messages. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 1.
Overview of the Preferred Embodiment of the Present Invention The present invention provides a system and method for developing automatic response unit (ARU) services.
The preferred embodiment of the present invention is a compiler or interpreter that processes an ARU service encoding.
An ARU service encoding is an abstract representation of an ARU service in a source code type language.
A compiler or interpreter inputs the ARU service encoding and processes it accordingly, thereby generating an executable ARU service.
The present invention also provides an ARU service encoding that is translated to an executable ARU service, in one embodiment by an interpreter.
The embodiment of the ARU service encoding of the present invention, discussed herein, is further described in backus naur form (BNF) which is a well known standard for source code grammar in Computer Program Listing A.
Computer Program Listing A forms a part of this application and is self-explanatory.
It would be apparent to one skilled in the relevant art to develop alternative embodiments for an ARU service encoding comprising a different grammar.
With regards to the system and method for developing ARU services of the present invention, one embodiment that is used to develop ARU services is a compiler.
The compiler embodiment of the present invention comprises a compiler and linker embodiment and is a two pass mechanism.
The first pass internalizes the ARU service encoding into conveniently managed data structures with atoms (e.
g.
input definitions, messages, functions, variable assignments, etc.
) elaborated and prepared into a quickly accessed and executed internalized form (e.
g.
in processor memory).
The second pass is a telephone call handler that uses the internalized form to process a call.
An example embodiment of an internalized form of an ARU service encoding as used by a compiler embodiment is further described in Computer Program Listing B.
Computer Program Listing B forms a part of this application and is self-explanatory
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