Date: Sat, 24 Mar 2007 19:24:29 +0000 From: ml-vic <ml-vic@de-martino.it> To: freebsd-bluetooth@freebsd.org Subject: Re: L2CAP doesn't seem to be up Message-ID: <200703241924.29951.ml-vic@de-martino.it> In-Reply-To: <bb4a86c70703231512m7440be99x789dc6382bea10d5@mail.gmail.com> References: <4603f621.1a4.33b3.1705538524@webmailh3.aruba.it> <200703232156.10736.ml-vic@de-martino.it> <bb4a86c70703231512m7440be99x789dc6382bea10d5@mail.gmail.com>
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Maksims, Perhaps I'm somewhat slow BUT ... I can *** only *** understand the 28.4.7= =20 point of the handbook thanks to your clear explanation about my case: I mea= n=20 that now is clear who's the client and who's the server and what they are=20 for! Therefore thanks a lot!!!=20 Ciao from Rome - Vittorio =20 Alle 22:12, venerd=EC 23 marzo 2007, Maksim Yevmenkin ha scritto: > 28.4.7 Service Discovery Protocol (SDP) > > The Service Discovery Protocol (SDP) provides the means for client > applications to discover the existence of services provided by server > applications as well as the attributes of those services. The > attributes of a service include the type or class of service offered > and the mechanism or protocol information needed to utilize the > service. > > SDP involves communication between a SDP server and a SDP client. The > server maintains a list of service records that describe the > characteristics of services associated with the server. Each service > record contains information about a single service. A client may > retrieve information from a service record maintained by the SDP > server by issuing a SDP request. If the client, or an application > associated with the client, decides to use a service, it must open a > separate connection to the service provider in order to utilize the > service. SDP provides a mechanism for discovering services and their > attributes, but it does not provide a mechanism for utilizing those > services. > > Normally, a SDP client searches for services based on some desired > characteristics of the services. However, there are times when it is > desirable to discover which types of services are described by an SDP > server's service records without any a priori information about the > services. This process of looking for any offered services is called > browsing. > > =3D=3D=3D > > specifically in your case, your nokia phone runs one or more bluetooth > server applications and provides bluetooth services. your pc is a > bluetooth client, who wishes to discover and possibly use one of the > provided services. > > sdpd is only required if you want to run bluetooth services on your > pc. this way bluetooth service application (running on your pc) will > register itself with sdpd (running on your pc) so remote clients can > actually know that your pc is providing bluetooth services. > > without doing anything at all, you should be able to discover > bluetooth services on your nokia phone, by simply > > % sdpcontrol -a e61 browse > > or > > % sdpcontrol -a e16 search <service name> > > > thanks, > max
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