FTDM_COMMAND_ENABLE_ECHOCANCEL 413 src/ftdm_io.c ftdm_channel_command(chan, FTDM_COMMAND_ENABLE_ECHOCANCEL, NULL); FTDM_COMMAND_ENABLE_ECHOCANCEL 433 src/ftdm_io.c ftdm_channel_command(chan, FTDM_COMMAND_ENABLE_ECHOCANCEL, NULL); FTDM_COMMAND_ENABLE_ECHOCANCEL 623 src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c case FTDM_COMMAND_ENABLE_ECHOCANCEL: FTDM_COMMAND_ENABLE_ECHOCANCEL 698 src/ftmod/ftmod_zt/ftmod_zt.c case FTDM_COMMAND_ENABLE_ECHOCANCEL: