[asterisk-users] T.30 Fax and Echo Cancelation

2012-04-13 Thread Anita Hall
Hi I know that all echo cancelers are supposed to shut down when they hear the CNG or CED fax tone. Is this always a good thing ? I know that T.30 is supposed to be half duplex, so echo should not be there but in my session recordings, I have seen both sides trying to send at the same time (is

Re: [asterisk-users] T.30 Fax and Echo Cancelation

2012-04-13 Thread Kevin P. Fleming
On 04/13/2012 02:25 AM, Anita Hall wrote: I know that all echo cancelers are supposed to shut down when they hear the CNG or CED fax tone. Is this always a good thing ? I know that T.30 is supposed to be half duplex, so echo should not be there but in my session recordings, I have seen both