20. A data acquisition voice recognition system in a mobile telecommunications system connecting mobile customers by destination number to other customers served by a telephone network, each mobile customer having a mobile telecommunications unit, incoming and outgoing calls routed through a mobile telecommunications switch connected to a plurality of cell sites that communicate with the mobile telecommunication units, said data acquisition voice recognition system being connected to the mobile telecommunications switch and comprising: a speech recognizer for recognizing numbers spoken by a mobile customer; a processor coupled to the speech recognizer, the processor operative under the control of a program containing a data acquisition algorithm; a data storage subsystem coupled to the processor, the data storage subsystem containing historical calling information for the mobile customer; said processor further operative under said program containing the data acquisition algorithm to update the historical calling information for the mobile customer after recognizing a destination number spoken by the mobile customer, the processor operative under the control of a program containing an error correcting algorithm to correct the destination number spoken by the mobile customer based on the historical calling information.
20. A data acquisition voice recognition system in a mobile telecommunications system connecting mobile customers by destination number to other customers served by a telephone network, each mobile customer having a mobile telecommunications unit, incoming and outgoing calls routed through a mobile telecommunications switch connected to a plurality of cell sites that communicate with the mobile telecommunication units, said data acquisition voice recognition system being connected to the mobile telecommunications switch and comprising: a speech recognizer for recognizing numbers spoken by a mobile customer; a processor coupled to the speech recognizer, the processor operative under the control of a program containing a data acquisition algorithm; a data storage subsystem coupled to the processor, the data storage subsystem containing historical calling information for the mobile customer; said processor further operative under said program containing the data acquisition algorithm to update the historical calling information for the mobile customer after recognizing a destination number spoken by the mobile customer, the processor operative under the control of a program containing an error correcting algorithm to correct the destination number spoken by the mobile customer based on the historical calling information. 24. The data acquisition voice recognition system of claim 20 wherein the historical calling information comprises at least one area code frequently called by the mobile customer.