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aggressive_suppressor
2005 Mar 11
1
EADS6550 and asterisk - echo on PSTN call
...1 TDM400 4 FXO, 1 TDM400 4 FXS, (no
other card, each of them have their own IRQ) all ports connected to the
EADS. We have GS ATA286 as EP. Calling from ATA to ATA give a perfect
sound. Calling to PSTN numbers or reverse side, give echo.
We can do what we want in zconfig.h (STEVE2, MARK2, MMX,
AGGRESSIV_SUPPRESSOR, NOECHOCAN_DISABLE) or zapata.conf (tx gain=-10.0,
echocancel=32 ... 256,), test with differents POTS phone, it change
nothing. We even didn't notice changes between our various changes in
those files (and yes modules where unloaded between each test). Always
the same echo.
So know we star...