Author | Topic: GPRS and SOAP | |
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Bengt Ovelius | GPRS and SOAP on Tue, 02 Dec 2003 08:53:48 +0100 Many GSM -phones have GPRS today, If such a phone is connected to a PC computer, (via cable,IR, bluetooth...) is it then possible to use a soap-protocol to excange information with other PC's on the internet ? Is internet available in the phone without dialing a serviceprovider ? GPRS makes it possible to be connected continously, only the amount of bytes transfered are charged, Can anyone explain what possibilities (and limitations) ASINET, XB2NET etc.... might offer in combination with GPRS It is not yet clear to me exactly how GPRS works and how it is configured. Thanks Bengt Ovelius GPRS=General Packet Radio System http://www.mobilecomms-technology.com/projects/gprs/ | |
Phil Ide | Re: GPRS and SOAP on Tue, 02 Dec 2003 12:12:24 +0000 Bengt, > Many GSM -phones have GPRS today, > If such a phone is connected to a PC computer, > (via cable,IR, bluetooth...) > > is it then possible to use a soap-protocol > to excange information with other PC's on the internet ? > > Is internet available in the phone without dialing a serviceprovider ? As far as I know, you are using your phone merely as a modem/gateway. I'm not sure about GPRS. This may require you to dial into an ISP or it might get handled automatically for you by your telephone service provider. Either way, you should be able to exchange SOAP messages across the internet. Regards, Phil Ide *************************************** * Xbase++ FAQ, Libraries and Sources: * * goto: http://www.idep.org.uk/xbase * *************************************** Hell is kept warm with profane burners | |
Bengt Ovelius | Re: GPRS and SOAP on Tue, 02 Dec 2003 15:46:42 +0100 I had some discussion with specialists behind the mobile phone systems. SOAP is increasingly important for different puroses SOAP is also used in the background transport of MMS messages, according to MM7 specifications. !! Anyway, their guess is that the GPRS is totally transperent. The end user will have no idea if the connection is GPRS, or a plain internet cable. However, what happens : If a lap-top user sends a SOAP message over his mobile and GPRS ? The Soap-message must have an address like http:\central_computer.org/jsa/asdjk/requests What will the return -address look like, that central computer will use to send a reply back to the lap-top- and GSM-phone. ?? I will soon start testing this, but I would appreciate any comments that would help to find the right direction ! The basic principle of GPRS + SOAP might prove extremely cheap ,powerful and simple , if it works ! Regards Bengt Ovelius | |
Boris Borzic | Re: GPRS and SOAP on Tue, 02 Dec 2003 15:50:13 +0100 "Bengt Ovelius" <picotech@telia.com> wrote in news:3fcca55c$1 @asgcom.alaska-software.com: > If a lap-top user sends a SOAP message over his mobile and GPRS ? > > The Soap-message must have an address like > > http:\central_computer.org/jsa/asdjk/requests > > What will the return -address look like, > that central computer will use to send a reply back > to the lap-top- and GSM-phone. ?? Your laptop will establish a TCP/IP connection with the server. Once the connection is created, the romote computer will use that connection to send the reply back. Best regards, Boris Borzic http://www.Xb2.NET http://www.SQLExpress.net industrial strength Xbase++ development tools | |
Phil Ide | Re: GPRS and SOAP on Tue, 02 Dec 2003 15:58:02 +0000 Bengt, >> If a lap-top user sends a SOAP message over his mobile and GPRS ? >> >> The Soap-message must have an address like >> >> http:\central_computer.org/jsa/asdjk/requests >> >> What will the return -address look like, >> that central computer will use to send a reply back >> to the lap-top- and GSM-phone. ?? > > Your laptop will establish a TCP/IP connection with the server. Once the > connection is created, the romote computer will use that connection to send > the reply back. To expand on this: Your application (browser or whatever) establishes a connection. Once the connection is established, there is a conduit (or pipe if you prefer) with one end anchored at the server, the other at your application. Only when this is established is the message sent. The pipe remains open until the server returns it's 'result'. After shoving it's data down the pipe, the server then closes the pipe without waiting for your application to receive. TCP/IP allows one end of the pipe to be closed and the other end remain open for reading. Regards, Phil Ide *************************************** * Xbase++ FAQ, Libraries and Sources: * * goto: http://www.idep.org.uk/xbase * *************************************** Drive C: Error, (A)bort (R)etry (I)gnore (K)ick (S)cream | |
João Pedro Machado de Sousa | Re: GPRS and SOAP on Tue, 02 Dec 2003 14:45:28 +0000 Hi Bengt > is it then possible to use a soap-protocol > to excange information with other PC's on the internet ? You can do anything you do with a normal Internet connection > Is internet available in the phone without dialing a serviceprovider ? Your phone company must provide you this service and give you the configuration needed. As far as your computer is concerned, your celular is a modem. > GPRS makes it possible to be connected continously, only > the amount of bytes transfered are charged, Correct. But it can become very expensive, trust me. I use it very often. > Can anyone explain what possibilities > (and limitations) > ASINET, XB2NET etc.... > might offer in combination > with GPRS The only limitation is speed (about the same of an analog connection) Very Best Regards João Pedro Machado de Sousa |