FTDM_CHANNEL_USE_RX_GAIN 2729 src/ftdm_io.c  				ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_USE_RX_GAIN);
FTDM_CHANNEL_USE_RX_GAIN 2731 src/ftdm_io.c  				ftdm_set_flag(ftdmchan, FTDM_CHANNEL_USE_RX_GAIN);
FTDM_CHANNEL_USE_RX_GAIN 3286 src/ftdm_io.c  		if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_USE_RX_GAIN) 
FTDM_CHANNEL_USE_RX_GAIN  255 src/include/private/ftdm_types.h 	FTDM_CHANNEL_USE_RX_GAIN = (1 << 25),