[Freeswitch-users] echo cancellation on PRI cards

[Steve Underwood]

Fadil Berisha wrote:
>
>     Sure you can get reliable DTMF detection on 70%-80% of call paths with
>     no echo cancellation,
>
>
> Fair enough. You say "sure you can get reliable DTMF detection on 
> 70%-80% of call paths with no echo cancellation". OK,  you forgot to 
> mention that this is achievable with text-book algorithms and that 
> exist advanced algorithms with reliability close to 100%. From my 
> point of view , no need further arguing this issue and this thread for 
> me  is closed.
Could you enlighten us as to these advanced algorithms that beat 
conventional statistics? You keep referring to mystical adaptive 
algorithms on the OSLEC mailing list, but you never give any details 
there, either.

Steve