Re: [Freeswitch-users] Problems with t38 and tone detection

erm, afaik no. The used codec is G711-A on both sides. How can I make sure it is 8k? Am 27.01.2011 16:47, schrieb Anthony Minessale:

are you using 16k audio by any chance? The tone is supposed to be 1100 if 21 is working it's possible you are transcoding it and doubling the frequency?