18. A computer system comprising: a processor, a computer readable memory, and a computer readable non-transitory storage media; first program instructions to receive an initial caller voice input from a caller, wherein the initial caller voice input is the caller saying an unintelligible phrase caused by a speech limitation of the caller; second program instructions to determine that the initial caller voice input is a computer-unintelligible voice input that does not match any entry from a lexicon of known voice inputs; third program instructions to prompt the caller to transmit a secondary input to clarify the computer-unintelligible voice input, wherein the secondary input is a dual-tone multi-frequency (DTMF) phone keypad input from the caller that identifies a user-requested activity that the caller was requesting when saying the unintelligible phrase; fourth program instructions to utilize the secondary input to match the computer-unintelligible voice input with a specific known voice input from the lexicon of known voice inputs; and fifth program instructions to update the lexicon of known voice inputs with the computer-unintelligible voice input, wherein the computer-unintelligible voice input is matched to the specific known voice input from the lexicon of known voice inputs; sixth program instructions to match the unintelligible phrase to the user-requested activity in a database that is specific for the caller; seventh program instructions to receive the unintelligible phrase in a subsequent phone call from the user; and eighth program instructions to match the unintelligible phrase to the user-requested activity for the caller; and wherein the first, second, third, fourth, fifth, sixth, seventh, and eighth program instructions are stored on the computer readable storage media for execution by the processor via the computer readable memory.
18. A computer system comprising: a processor, a computer readable memory, and a computer readable non-transitory storage media; first program instructions to receive an initial caller voice input from a caller, wherein the initial caller voice input is the caller saying an unintelligible phrase caused by a speech limitation of the caller; second program instructions to determine that the initial caller voice input is a computer-unintelligible voice input that does not match any entry from a lexicon of known voice inputs; third program instructions to prompt the caller to transmit a secondary input to clarify the computer-unintelligible voice input, wherein the secondary input is a dual-tone multi-frequency (DTMF) phone keypad input from the caller that identifies a user-requested activity that the caller was requesting when saying the unintelligible phrase; fourth program instructions to utilize the secondary input to match the computer-unintelligible voice input with a specific known voice input from the lexicon of known voice inputs; and fifth program instructions to update the lexicon of known voice inputs with the computer-unintelligible voice input, wherein the computer-unintelligible voice input is matched to the specific known voice input from the lexicon of known voice inputs; sixth program instructions to match the unintelligible phrase to the user-requested activity in a database that is specific for the caller; seventh program instructions to receive the unintelligible phrase in a subsequent phone call from the user; and eighth program instructions to match the unintelligible phrase to the user-requested activity for the caller; and wherein the first, second, third, fourth, fifth, sixth, seventh, and eighth program instructions are stored on the computer readable storage media for execution by the processor via the computer readable memory. 19. The computer system of claim 18 , wherein the lexicon of known voice inputs is exclusive to the caller.