[Asterisk-Dev] answering machine detection

[Steve Underwood]

Preston Garrison wrote:

> Has anyone worked on any code or have any experience doing answering 
> machine detection.  Someone I was talking to was telling me something 
> like normal callers do more mhz? :)  Which I assume maybe they mean 
> that a normal caller sends higher frequencies since its not 
> pre-recorded.  However I am wonder if the codec compression would 
> remove that.  Anyone out there have any experience with coding such 
> things or using them?

Search the mailing lists. This issue comes up regularly.

Regards,
Steve