Hi , On my Linux machine , the instruction s = socket( AF_BLUETOOTH , SOCK_STREAM , BTPROTO_RFCOMM ) ; gave me s = -1 What was the problem ? Thanks, amnuay - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html