[Freeswitch-users] echo cancellation on PRI cards

[Steve Underwood]

Anthony Knight wrote:
> Thanks for the feedback.  
>
> I have plenty of experience with IVRs and Dialogic cards (starting 
> with D121/LSI120s and SS96s under DOS in the 90's all the way up to 
> Intel's DM/Vs) and didn't ever have a problem with DTMF collection 
> with ISDN PRI lines except occasionally with wireless and cell phones 
> (Bad line quality).
You have my deepest sympathy. :-)

Steve