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: