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Article #463

Re: mobile data - help needed

#463
From: Denis McMahon
Date: Wed, 02 Sep 1998 00:00
59 lines
3075 bytes
On Mon, 31 Aug 1998 21:12:28 +0100, David Wood
<david@wood2.demon.co.uk> wrote:

>In article <35eeda6a.73453413@news.demon.co.uk>, Denis McMahon
><denis@pickaxe.demon.co.uk> writes
>>OK
>>
>>I got the DC 23 connected to the GH388, on cellnet, and every time I
>>try and call my ISP I get an almost immediate disconnection aftger
>>dialling with "the omputer you called did not answer".
>
>A guess - you have an old Cellnet subscription that doesn't have
>outgoing data enabled by default. Contact your service provider and
>check that outgoing data is enabled. More recent Cellnet subscriptions
>have this enabled by default, I believe.

You were right bout this, however now although the phone shows that
the data call has been answered (= connected to the GSM Interworking
Unit (GIWU) I guess) I still can't seem to reach beyond that.

>>I have the post dial delay set to 60 seconds.
>
>I'm not quite sure what you mean here, but 60 seconds should be fine if
>it means what I think it means.
>
>>Should I be using Synch or Asynch, RLP or transparent bearer?
>
>Conventional modem calls are asynchronous. Select RLP instead of
>transparent bearer - let the network do the error correction for you.

OK, set the comms for 9600 Asynch RLP on.

>>I'm trying to connect to demon internet analogue telnos at 9600.
>
>It works fine to any of the 0845 analogue numbers from my Vodafone
>connected Nokia 9000i.

Hmm, I did have an 0171 number in there from trying from abroad. I'll
try the 0845's and see if it makes any difference.

>>If I use RLP, do I just take the defaults for IWF / MS and MS / IWF of
>>61, ack of 48 * 10ms and retries of 6, or should I change these?
>
>These are the default values used on my 9000i, and they've never caused
>me any problems. I suggest you leave them well alone.

OK, set those as well.

>I think that once you get your subscription parameters sorted out, you
>shouldn't have any further problems.

Afraid not - I still don't seem to get as far a a final connect
message. The GIWU sems to drop the call eventually.

Hmm, perhaps I'll x-post to demon.tech.modems and see if anyone in
there can help.

Rgds
Denis
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From: denis@pickaxe.demon.co.uk (Denis McMahon)
Subject: Re: mobile data - help needed
Date: 1998/09/02
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