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Re: 7650?

From: Herbert Demmel
Subject: Re: 7650?
Date: Sat, 26 Jul 2003 10:48:43 +0200

At 19:45 25.07.2003 +0300, you wrote:
On Friday 25 July 2003 17:37, Pawel Kot wrote:
> It seems that we will need a new driver using OBEX protocol. So the
> first task would be to do a reseach if there's in fact no other
> possibility
> to access the phone.
> If there's really no other chance we should start to implement an obex
> driver (I think with an analogy to AT driver).
> And we will definitely NOT implement OBEX on our own but use some
> existing libraries.
> pkot

Sounds reasonable. The current Series60 phones use the Symbian OS, version
6.1. Since the Symbian coallition is "friendly" towards releasing the
specs, APIs, etc, it shouldn't be too hard finding this out. I suspect
that they indeed only use OBEX for the necessary transfers, either IrOBEX
or OBEX-over-Bluetooth. Perhaps Marcel can enlighten us here?

If OBEX is indeed the required solution, OpenOBEX sounds reasonably stable
to use... What do the other gnokii developers think?

I'm not an gnokii developer, but I know the Nokia mobile phones very well (I've written an commercial app under Windows - see Cellular Essentials at ). Using Obex should not be the big problem as there is e.g. OpenOBEX for Linux out there, but the problem I see is as follows (already stated in a previous mail, but nobody mentioned it):

Obex / Symbian is a rather file I/O based thing, so I assume there will be no major problem to read / write the phone book file (in fact the phone book is a file laying on the 7650) and other things like pictures. But I assume it will be very, very difficult to e.g. let the 7650 send an SMS. And I do not know ANY program which is capable to do this (Nokia's PC Suite for the 7650 only supports file I/O transfers) so there is no possibilty to spy into an application's traffic. I know that there is a commercial program in the stores for the 7650 and this program has a very different approach: They upload a small application to the phone and this application does the communication with the PC program and controls the 7650 as well (I think sending a SMS via the local program on the 7650 can be done rather easy as these things seem to be documented).

So I assume it will be very much work to make the 7650 working. This is the reason why I did not start with this work for my program although it supports 40 different Nokia phones. My estimation was about a 1/2 man year work and this was too much.

Please do not understand me in the wrong way: I do NOT want you to demotivate, but you should see the problems which can arrive before you start the work.

From now on I will shut up and not disturbe your discussions anymore.


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