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Strange GRPS problems in Guernsey ??

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Old May 16th 05, 08:47 PM posted to uk.telecom.mobile,uk.telecom.broadband
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Default Strange GRPS problems in Guernsey ??

"Peter" wrote in message

I have a laptop with the Sierra 750 GPRS card


and a Vodafone PAYG SIM card in it, GPRS enabled. In fact the Sierra
card was the Vodafone-badged one which was widely sold, until recently
when they started plugging their GPRS/G3/WIFI product.

It was running OK on the UK mainland and this was the first time it
was used outside it.

There are two GSM providers in Guernsey; one is Cable & Wireless and
the other is Jersey Telecom. Both had good signal strength. C&W
appears as the default option; to get JT I had to use the Manual
network selection mode.

With C&W I was never able to get a usable connection. The laptop would
get an IP and a DNS IP allocated however. Pinging the DHCP server
failed but that's to be expected an as anti DOS measure. I could not
ping any other IP, including some private ones which I know have ping

If I did a ping (in a DOS box) of various URLs, including some which
could never have been cached on this laptop, the lookup to an IP
worked OK but the ping always failed.

So for example doing:

c:\ping www.cisco.com

would show the correct IP for the name:

Pinging www.cisco.com [] with 32 bytes of data:

but nothing would come back. The GPRS data counter would show 0 (zero)
received bytes.

It is as though they allowed UDP through and little else.

With Jersey Telecom the same problem occassionally occurred too but
most of the time it worked fine. Basically I had to disconnect and
reconnect and eventually it worked.

I am a bit concerned about this since this year I will need GPRS
abroad. Is there some Vodafone - Whatever roaming restriction, which
might perhaps be eliminated by using a *contract* GPRS SIM card? I've
tried to avoid contract because the usage is very occassional and all
the GPRS enabled contracts I've seen are expensive, and this SIM card
is inside a ruggedised laptop, cannot be removed and used in a normal
phone where one might be able to use it for normal calls.

Any views would be appreciated.

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The service you get abroad is limited by the network used abroad. To put
your mind at rest, I use (and have used) both a Vodafone 3G card and a
Vodafone 2G card all over Europe with no problems.... although I have never
been to Jersey.



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