search for: echo_can_mark2

...with ISDN/ZAPHFC I have VERY ugly (outgoing) sound through ISDN/HFC if echocancel=yes in zapata.conf, but without echocancel I have bad (incoming) echo Through PSTN/FXO sound is ok with or without echocancel. I tried other echo cancellers (in zconfig.h) two times: ECHO_CAN_KB1 (this was default) ECHO_CAN_MARK2 ECHO_CAN_MG2 after any change I compiled (make clean all && make install) all drivers which are bristuffed, without recompiling Asterisk (should I?), but... ... I always have EXACTLY same (ugly) sound and same (appearing of) echo cancelling. Seems to me that echo canceller do not changin...

...ion hears them selves echoing. The remote party does not notice any difference. I have tried all the following. #define CONFIG_ZAPTEL_MMX <tried this defined and undefined> Then tried each of the following types of echo cancellations. #define ECHO_CAN_MARK #define ECHO_CAN_MARK2 with and without #define AGGRESSIVE_SUPPRESSOR #define ECHO_CAN_MARK3 I am completely at a loss on how to get rid of this echo problem. The system is completely useless for incoming calls, as it currently stands. Is there a Digium card that handles echo better? Are there any asterisk compat...

Hi ALL i implemented asterisk as my home PBX system my * machine recieves a call and transfer this to my computer The problem is this that i get my voice back mean there is too much echo(there is no complain from the caller). I have set following values in zapata.conf echocancellation=yes (also tried different powers of 2) echocancelwhenbridged=yes is there any other setting or not ??or this