Thursday, July 30, 2009

How Answering Machines Work

A call is received. After a ring, the answering machine's logical programming begins counting. It counts the number of rings until the right amount accumulate which will trigger its interception of the call. The playback message is played from the memory modules inside the answering machine and the call begins its reception for conversion.








A call is converted and stored. A component inside the answering machine called a micro-controller takes the caller's audio signal and converts it into a digital format. The digital form is stored in random-access memory similar to the RAM found in computers. The stored data is located at a specific memory address in RAM which will allow for messages to be managed individually without affecting each other.








Receiver is notified and allowed to manage. Once a message is converted and stored, the answering machine's processor tells its digital display to notify the receiver of the number of calls stored in the memory. The receiver is then able to play back the message and manage the calls (store, delete) without impacting the others stored.

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