Programmable call processing system and method

A programmable call processing system for a telecommunications switching system, comprising:

• a call processing processor having a standard call processing process to perform call processing according to industry standard call models;
• at least one database storing call processing data accessible by said standard call processing process;
• a call logic program processor having at least one customized call logic program to implement extended subscriber features on the telecommunications switching system;
• an application program interface providing access by said at least one customized call logic program to said at least one call processing database and further interrupting said standard call processing process for execution of said at least one customized call logic program;
• a trigger database storing one or more trigger definitions for interrupting said standard call processing process and passing control to said at least one customized call logic program, wherein said trigger database includes:
• a trigger rule item point list indexable by a point in call at which a triggering event occurred;
• and
• at least one trigger rule table referenced by said trigger rule item point list and having triggering criteria and trigger data stored therein for passing control to said at least one customized call logic program.

A programmable call processing system for a telecommunications switching system, comprising:

• a call processing processor having a standard call processing process to perform call processing according to industry standard call models;
• at least one database storing call processing data accessible by said standard call processing process;
• a call logic program processor having at least one customized call logic program to implement extended subscriber features on the telecommunications switching system;
• an application program interface providing access by said at least one customized call logic program to said at least one call processing database and further interrupting said standard call processing process for execution of said at least one customized call logic program;
• a trigger database storing one or more trigger definitions for interrupting said standard call processing process and passing control to said at least one customized call logic program, wherein said trigger database includes:
• a trigger rule item point list indexable by a point in call at which a triggering event occurred;
• and
• a trigger rule item decision tree having at least one node referenced by said trigger rule item point list, each node having triggering criteria and trigger data stored therein for passing control to said at least one customized call logic program.

A programmable call processing system for a telecommunications switching system, comprising:

• a call processing processor having a standard call processing process to perform call processing according to industry standard call models;
• at least one database storing call processing data accessible by said standard call processing process;
• a call logic program processor having at least one customized call logic program to implement extended subscriber features on the telecommunications switching system;
• an application program interface providing access by said at least one customized call logic program to said at least one call processing database and further interrupting said standard call processing process for execution of said at least one customized call logic program, wherein said standard call processing process is implemented as a set of finite state machines and said at least one customized call logic program is implemented as a sub-state machine embedded within said standard call processing state machines.

A method for programmable call processing for a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• initializing said standard call processing process;
• upon the occurrence of a specified event, transferring control from said standard call processing process to said at least one customized call logic program;
• providing a communication link between said at least one customized call logic program and said standard call processing process for passing information therebetween;
• and
• allowing said customized call logic program to alter selected fields of call detail records formulated by said standard call processing process.

A method for programmable call processing for a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• initializing said standard call processing process;
• upon the occurrence of a specified event, transferring control from said standard call processing process to said at least one customized call logic program;
• inserting a trigger for a triggering event in said standard call processing process for interrupting its execution;
• analyzing said triggering event upon triggering, wherein said trigger event analyzing step comprises the steps of:
• consulting a trigger rule item table having a plurality of trigger rule items for evaluating the triggering event;
• consulting a criteria node table having data used to evaluate the triggering event;
• and
• consulting a trigger data table having data used to assemble a message to said at least one customized call logic program for passing control thereto.

A method for programmable call processing for a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• initializing said standard call processing process;
• upon the occurrence of a specified event, transferring control from said standard call processing process to said at least one customized call logic program;
• inserting a trigger for a triggering event in said standard call processing process for interrupting its execution;
• analyzing said triggering event upon triggering, wherein said trigger event analyzing step comprises the steps of:
• consulting a trigger rule item point list indexable by a point in call at which a triggering event occurred;
• and
• consulting a trigger rule item decision tree having at least one node referenced by said trigger rule item point list, each node having triggering criteria and trigger data stored therein for passing control to said at least one customized call logic program.

A method for programmable call processing for a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• initializing said standard call processing process;
• upon the occurrence of a specified event, transferring control from said standard call processing process to said at least one customized call logic program;
• generating call detail records by said standard call processing process;
• and
• allowing said customized call logic program to formulate call detail records to replace said call detail records generated by said standard call processing process.

A method for programmable call processing for a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• initializing said standard call processing process;
• upon the occurrence of a specified event, transferring control from said standard call processing process to said at least one customized call logic program;
• formulating call detail records by said standard call processing process;
• and
• allowing said customized call logic program to alter selected fields of said call detail records.

A method for programmable call processing in a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• setting a trigger in said standard call processing process for the existence of a specified condition;
• initializing said standard call processing process;
• detecting said trigger in response to the existence of the specified condition, interrupting said standard call processing process, and transferring control from said standard call processing process to said at least one customized call logic program;
• providing a communication link between said at least one customized call logic program and said standard call processing process for passing information therebetween;
• and
• allowing said customized call logic program to alter selected fields of call detail records formulated by said standard call processing process.

A method for programmable call processing in a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• setting a trigger in said standard call processing process for the existence of a specified condition;
• initializing said standard call processing process;
• detecting said trigger in response to the existence of the specified condition, interrupting said standard call processing process, and transferring control from said standard call processing process to said at least one customized call logic program;
• analyzing said trigger condition and consulting a trigger database for evaluation criteria and values, wherein said trigger condition analyzing step comprises the steps of:
• consulting a trigger rule item table having a plurality of trigger rule items for evaluating the triggering condition;
• consulting a criteria node table having data used to evaluate the triggering condition;
• and
• consulting a trigger data table having data used to assemble a message to said at least one customized call logic program for passing control thereto.

A method for programmable call processing in a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• setting a trigger in said standard call processing process for the existence of a specified condition;
• initializing said standard call processing process;
• detecting said trigger in response to the existence of the specified condition, interrupting said standard call processing process, and transferring control from said standard call processing process to said at least one customized call logic program;
• analyzing said trigger condition and consulting a trigger database for evaluation criteria and values, wherein said trigger condition analyzing step comprises the steps of:
• consulting a trigger rule item point list indexable by a point in call at which a triggering condition existed;
• and
• consulting a trigger rule item decision tree having at least one node referenced by said trigger rule item point list, each node having triggering criteria and trigger data stored therein for passing control to said at least one customized call logic program.

A method for programmable call processing in a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• setting a trigger in said standard call processing process for the existence of a specified condition;
• initializing said standard call processing process;
• detecting said trigger in response to the existence of the specified condition, interrupting said standard call processing process, and transferring control from said standard call processing process to said at least one customized call logic program;
• generating call detail records by said standard call processing process;
• and
• allowing said customized call logic program to formulate call detail records to replace said call detail records generated by said standard call processing process.

A method for programmable call processing in a telecommunication switching system, comprising the steps of:

• providing at least one customized call logic program extending subscriber services provided by a standard call processing process;
• setting a trigger in said standard call processing process for the existence of a specified condition;
• initializing said standard call processing process;
• detecting said trigger in response to the existence of the specified condition, interrupting said standard call processing process, and transferring control from said standard call processing process to said at least one customized call logic program;
• formulating call detail records by said standard call processing process;
• and
• allowing said customized call logic program to alter selected fields of said call detail records.