Hello, Last May, Fabien Chevalier posted some SCO flow control patches (now included in bluetooth-alsa). I've tried these in Ubuntu 6.06 (based on kernel 2.6.15.7) without much luck. My problem is that packets are sent every 50ms. Anyone else tried these? I do agree that it should be the responsibility of the driver to take care of any timing issues. But it's not clear to me why this is not done in the hci_usb driver. Jose