FTDM_CHANNEL_BUFFER 2522 src/ftdm_io.c  					ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_BUFFER);
FTDM_CHANNEL_BUFFER 2524 src/ftdm_io.c  					ftdm_set_flag(ftdmchan, FTDM_CHANNEL_BUFFER);
FTDM_CHANNEL_BUFFER  236 src/include/private/ftdm_types.h 	FTDM_CHANNEL_BUFFER = (1 << 6),