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Posted by vkc on March 29, 2007, 6:16 am
On Thu, 2007-03-29 at 02:11 -0700, Albert Goodwill wrote:
> Hey,
>
> I want to send and receive shot text (and if possible, binary) data
> between two PCs.
> The link between PCs will be low-cost off the shelf mobile phones (may
> be from second hand stores).
>
> [PC-A]<--->[Mobile Phone-A] <- - - - - - -> [Mobile Phone-B] <--->[PC-
> B]
>
> In this configuration "[PC-A]<--->[Mobile Phone-A]" pair will be
> stationary and the "[Mobile Phone-B] <--->[PC-B]" pair will be mobile
> in a car (ideally a mobile robot).
>
> I do not have experience with the mobile phone interface and I would
> like to ask expert technical advise on the following questions;
>
> [*] Which (low-cost) brand/model phones have RS232 interface to
> connect it to PC?
I believe some of the old nokia phones do.
> [*] Is it possible to use modem's AT command (or something similar)
> to dial remote phone and send text (or binary message) directly, like
> PC to PC modem connection?
In the March and April 2007 issues of EPE magazine
(http://www.epemag.wimborne.co.uk/index.html ) there is a construction
project describing remote control of devices via SMS messages using a
nokia phone whose RS232 port is interfaced to an ATMEL microcontroller.
> [*] Or does the telephone exchange should store the message and
> forward ot to destination when everit want?
VKC
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