Return-Path: Subject: Re: [Bluez-devel] psm-need help! From: Marcel Holtmann To: BlueZ Mailing List In-Reply-To: References: Content-Type: text/plain Message-Id: <1107538471.6921.55.camel@pegasus> Mime-Version: 1.0 Sender: bluez-devel-admin@lists.sourceforge.net Errors-To: bluez-devel-admin@lists.sourceforge.net Reply-To: bluez-devel@lists.sourceforge.net List-Unsubscribe: , List-Id: BlueZ development List-Post: List-Help: List-Subscribe: , List-Archive: Date: Fri, 04 Feb 2005 18:34:31 +0100 Hi Peter, > PSM (protocol service multiplexer) is defined in RFCOMM. Basically it is > the channel two RFCOMM devices use to communicate. You may have more then > one RFCOMM channel on different PSMs between two Bluetooth devices. > Normaly the PSM needed to connect to a remote RFCOMM channel is found by > an SDP search (it is part of the service record). let me correct this. The PSM is part of the L2CAP and not RFCOMM. The ports (if you wanna name it so) of L2CAP are called PSM. All of them are odd and they exists reserved ones. Details are in the specification. In RFCOMM it is called DLCI (with direction bit) or channels for short. Regards Marcel ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel