[asterisk-biz] Ringing tone detection

[Sevana Oy]

Hello,

We have a customer that asked us to develop a tool that could detect if 
certain ringing tone is present in recorded audio. This looks like a part of 
call progress analysis (CPA) functionality, and we are very curious is there 
a big need in such tool, or it's a quite unique case. The idea is simple:

tool.exe audio.wav

and as result the tool says: Ringing tone #1 is present

or something like that.

Thank you very much for your attention to this post and ideas sharing!

Best Regards,
Sevana