Predictive dialing system and method

A system for predictive dialing, comprising:

• one or more low level modules for dialing telephone numbers and receiving response signals from the dialed telephone numbers, the low level modules further recording the received response signals;
• a speech recognition module for determining content of the received response signals;
• and
• a high level module for providing the telephone numbers to the low level modules to dial, the high level module farther receiving the content of the received response signals and determining one or more actions to perform based on the content.

A program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine to perform method steps of predictive dialing, comprising:

• receiving a telephone number to dial;
• automatically dialing the telephone number;
• and
• analyzing a response tone from a receiver side, including detecting whether speech is in the response tone, and determining message content of the speech if speech is detected.

A method for predictive dialing, comprising:

• receiving a list of telephone number to perform automatic dialing;
• automatically dialing a telephone number in the list;
• listening to a response tone from the telephone number dialed;
• separating the response tone into one or more sets of frequencies;
• extracting one or more sound components from the one or more sets of frequencies;
• detecting a known pattern in the one or more sound components to recognize contents of the response tone;
• and
• responding according to the recognized contents.