For those who grew up with a cell phone in their hand ... in this case with a simple Baofeng handheld unit. The answering machine can record any sounds that come in. However, with a network ...

For those who grew up with a cell phone in their hand ... in this case with a simple Baofeng handheld unit. The answering machine can record any sounds that come in. However, with a network ...

Early AMD systems relied on simple audio analysis to detect silence or specific tones commonly found in answering machine greetings. Over the decades since then, significant advancements have happened ...