Helmet, If you had to change the code why do you not Open a JIRA? And how are you doing this that it doesn't work? I have many people using this without a single problem. /b On Feb 22, 2011, at 3:28 AM, Helmut Kuper wrote:
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Hello Clemens,
I'm using t38 a few month now. And I have had also big problems to get FS and mod_spandsp as a t38-Gateway up and running. The only way I found to get it work in most cases was to change the code in mod_spandsp.c
I changed line 99 from switch_ivr_tone_detect_session(session, "t38", "1100", "rw", timeout, 1, data, NULL, t38_gateway_start)
to switch_ivr_tone_detect_session(session, "t38", "2100", "rw", timeout, 1, data, NULL, t38_gateway_start)
The recompile mod_spandsp and reload it into FS.
This could affected the inbound way. So you have to play with the frequency to detect. Maybe you have to listen to both 1100Hz and 2100Hz.
t38 is not really easy with mod_spandsp.