Hi

There are really no big advantage between serial/Usb modems/phones other than:

- Linux Driver: the USB firmware on the phone/modem might not work
with linux or you should seek for the correct driver and might need to
tweek linux in order to support it.... you might anyway have to do
that for the USB to Serial converter...)

- Modem power source: in the case of USB, they are powered through the
usb port and, for the serial one, you need an external power suppply.

Regards

Alvaro

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On Wed, Jun 24, 2009 at 9:22 AM, Nicolas Pottier<nicpott...@gmail.com> wrote:
>
> I'll actually amend this to say that if there is a significant advantage to
> have a real serial port then I can adapt whichever laptop I get to
> accommodate that.  I was originally thinking of using a netbook for the task
> just for the sake of my luggage, but I could just as easily use an old
> Thinkpad with a serial port if it will work better.
>
> -Nic
>
> Benaiad wrote:
>>
>> ---------- Forwarded message ----------
>> From: *Nic Pottier* <nicpott...@gmail.com <mailto:nicpott...@gmail.com>>
>> Date: Wed, Jun 24, 2009 at 3:19 PM
>> Subject: Re: Recommended GSM Phone / Modem
>> To: Benaiad <bena...@gmail.com <mailto:bena...@gmail.com>>
>>
>>
>> No, sadly just USB.
>>
>>
>> On Wed, Jun 24, 2009 at 6:14 AM, Benaiad <bena...@gmail.com
>> <mailto:bena...@gmail.com>> wrote:
>>
>>    Do you have a serial port in your laptop?
>>
>>    On Wed, Jun 24, 2009 at 7:33 AM, Nic Pottier <nicpott...@gmail.com
>>    <mailto:nicpott...@gmail.com>> wrote:
>>
>>        Howdy all,
>>
>>        I'm going to be participating in a research project in Rwanda
>>        that has a need for receiving SMS messages over the course of a
>>        month.  Volume is likely pretty low, certainly no more than a
>>        hundred a day but I'd like the service to be pretty reliable.
>>
>>        What modem / phone would people recommend using if on a budget?
>>         I did dig through the archives a bit, but I think perhaps my
>>        needs aren't as extreme as some.
>>
>>         From the modems.conf the T630 looks like a cheap option, but
>>        can that run for days on end without errors?  Are other phones
>>        better / worse? Are the cheap USB GSM Modems you see on eBay
>>        compatible with Kannel?
>>
>>
>>  <http://cgi.ebay.com/USB-Antenna-GSM-GPRS-Wireless-Modem-Adapter-245_W0QQitemZ370169327764QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item562fcfb094&_trksid=p3286.c0.m14&_trkparms=65%3A12|66%3A2|39%3A1|72%3A1234|240%3A1318|301%3A1|293%3A1|294%3A50
>>
>>  <http://cgi.ebay.com/USB-Antenna-GSM-GPRS-Wireless-Modem-Adapter-245_W0QQitemZ370169327764QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item562fcfb094&_trksid=p3286.c0.m14&_trkparms=65%3A12%7C66%3A2%7C39%3A1%7C72%3A1234%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50>>
>>
>>        or
>>
>>
>>  <http://cgi.ebay.com/Wireless-GSM-GPRS-EDGE-USB-Modem-Adapter-SMS-Phone-New_W0QQitemZ260429727361QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ca2d24681&_trksid=p3286.c0.m14&_trkparms=65%3A12|66%3A2|39%3A1|72%3A1234|240%3A1318|301%3A0|293%3A1|294%3A50
>>
>>  <http://cgi.ebay.com/Wireless-GSM-GPRS-EDGE-USB-Modem-Adapter-SMS-Phone-New_W0QQitemZ260429727361QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ca2d24681&_trksid=p3286.c0.m14&_trkparms=65%3A12%7C66%3A2%7C39%3A1%7C72%3A1234%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50>>
>>
>>        My likely configuration is going to be a laptop in a hotel room
>>        running Kannel with either a phone or USB modem plugged in to
>>        give you an idea of my requirements. :)
>>
>>        And what questions am I not asking that I should be?
>>
>>        Many thanks!
>>
>>        -Nic
>>
>>
>>
>>
>
>

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