FTDM_COMMAND_FLUSH_TX_BUFFERS  535 src/ftmod/ftmod_r2/ftmod_r2.c 	ftdm_status_t status = ftdm_channel_command(ftdm_chan, FTDM_COMMAND_FLUSH_TX_BUFFERS, NULL);
FTDM_COMMAND_FLUSH_TX_BUFFERS  804 src/ftmod/ftmod_zt/ftmod_zt.c 	case FTDM_COMMAND_FLUSH_TX_BUFFERS: