The 2006-May issue (#190) of Circuit Cellar magazine has a design article on rolling your own answering machine: ARM-Based Modern Answering Machine. This particular design won first prize in the 2005 Philips ARM Design Contest, and includes caller-ID handling and a web server. Source code and schematics are available.
Slashdot Mirror
The 2006-May issue (#190) of Circuit Cellar magazine has a design article on rolling your own answering machine: ARM-Based Modern Answering Machine. This particular design won first prize in the 2005 Philips ARM Design Contest, and includes caller-ID handling and a web server. Source code and schematics are available.