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Cellular Phone Forum / Country Specific / Australian Group / June 2007

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Roaming from Thailand - Problems with Optus or something

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Peelah Ben Arhna - 10 Jun 2007 01:12 GMT
My sister's currently honeymooning in Thailand. She took her phone with
her. She can send and receive SMSes but cannot place any voice calls to
Australia. She can receive them, though.

Just wondering if there's something specific that needs to be done, or
whether it's an Optus Network issue, or what. Or whether it's related to
the Thai networks that she is using, or trying to use.

Oh, I tried to call her via VOIP (Mynetfone) but it didn't work. Had to
call via the Telstra landline or use my mobile.

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Lone Wolf - 10 Jun 2007 05:12 GMT
>Just wondering if there's something specific that needs to be done, or
>whether it's an Optus Network issue, or what. Or whether it's related to
>the Thai networks that she is using, or trying to use.

Does she have global roaming enabled?

I have an Optus sim card, no issues at all with the four Thai GSM
networks (Orange, DTAC, AIS and GSM 1800).
Michael J - 11 Jun 2007 06:30 GMT
>>Just wondering if there's something specific that needs to be done, or
>>whether it's an Optus Network issue, or what. Or whether it's related to
>>the Thai networks that she is using, or trying to use.
>
> Does she have global roaming enabled?

She wouldnt be able to log on OR send SMS without introam.
Lone Wolf - 11 Jun 2007 12:18 GMT
>She wouldnt be able to log on OR send SMS without introam.

Actually the networks in Thailand, with the exception of Orange, all
seem to use very old firmware.  Quite often the sim card will register
"no network" and later will again sign on.
Michael J - 13 Jun 2007 08:43 GMT
>>She wouldnt be able to log on OR send SMS without introam.
>
> Actually the networks in Thailand, with the exception of Orange, all
> seem to use very old firmware.  Quite often the sim card will register
> "no network" and later will again sign on.

Thats a local network issue.

When you log on overseas, a connection is made to your VLR/HLR in your home
country. Postive result = you get to log onto the local net.
Negative or no result = no access

Without introam product, you cannot log on
Lone Wolf - 11 Jun 2007 12:23 GMT
>> Does she have global roaming enabled?
>
>She wouldnt be able to log on OR send SMS without introam.

Forgot to mention;  there is a price war in Thailand, and the networks
are frequently congested.

AIS is offering calls for 1 Baht, about 4 cents in real money, and
unlimited at that.
Peelah Ben Arhna - 12 Jun 2007 12:41 GMT
Lone Wolf said....

> Does she have global roaming enabled?

Presumably. If romaing isn't enabled, would she be able to send and
receive SMSes?

> I have an Optus sim card, no issues at all with the four Thai GSM
> networks (Orange, DTAC, AIS and GSM 1800).

Orange wasn't listed in the available networks.

THGSM
GSM1800
THTrue
DTAC

are the only ones that she has listed.

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Lone Wolf - 14 Jun 2007 16:13 GMT
>THTrue

Was previously Orange, sorry.
Michael J - 11 Jun 2007 06:29 GMT
> My sister's currently honeymooning in Thailand. She took her phone with
> her. She can send and receive SMSes but cannot place any voice calls to
> Australia. She can receive them, though.

How is she trying to dial out?

Is she using +61xxxxxxxx?

Friend of mine had that problem in Hawaii until he used their exit code, 011
or whatever it is
Lone Wolf - 11 Jun 2007 12:18 GMT
>Friend of mine had that problem in Hawaii until he used their exit code, 011
>or whatever it is

All you need is the "+";  international access code.
Simon Templar - 12 Jun 2007 04:44 GMT
>> Friend of mine had that problem in Hawaii until he used their exit code, 011
>> or whatever it is
>
> All you need is the "+";  international access code.

That's all you should need in any country, the + tells the local network
that you wish to place an international call, then provided you have the
country code and the rest of the number it should dial from anywhere in
the world provided you have international roaming active and there is an
agreement with the appropriate carriers.

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The views I present are that of my own and NOT of any organisation I may
belong to.

73 de Simon, VK3XEM.
<http://web.acma.gov.au/pls/radcom/client_search.client_lookup?pCLIENT_NO=157452>

Michael J - 13 Jun 2007 08:44 GMT
>>> Friend of mine had that problem in Hawaii until he used their exit code,
>>> 011 or whatever it is
[quoted text clipped - 6 lines]
> the world provided you have international roaming active and there is an
> agreement with the appropriate carriers.

Except it didnt work in Hawaii.
Simon Templar - 13 Jun 2007 20:15 GMT
> Except it didnt work in Hawaii.

Hawaii = US.  Maybe your GSM900 handset couldn't lock onto a GSM850 network.

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The views I present are that of my own and NOT of any organisation I may
belong to.

73 de Simon, VK3XEM.
<http://web.acma.gov.au/pls/radcom/client_search.client_lookup?pCLIENT_NO=157452>

Michael J - 17 Jun 2007 01:01 GMT
>> Except it didnt work in Hawaii.
>
> Hawaii = US.  Maybe your GSM900 handset couldn't lock onto a GSM850
> network.

You arent very attentive, are you Simon?

They use GSM 1900 in Hawaii.

And if you read the thread, you would see that he could, receive calls,
receive SMS, and send SMS.

Bit hard to do that with a GSM 1900 phone if all there is, is a GSM 850
network?
Lone Wolf - 14 Jun 2007 16:13 GMT
>> That's all you should need in any country, the + tells the local network
>> that you wish to place an international call, then provided you have the
[quoted text clipped - 3 lines]
>
>Except it didnt work in Hawaii.

Works in mainland USA, so no real reason it would not work in Hawaii?

Or is the recognition of the "+" set by the network?
Michael J - 13 Jun 2007 08:44 GMT
>>Friend of mine had that problem in Hawaii until he used their exit code,
>>011
>>or whatever it is
>
> All you need is the "+";  international access code.

Nope, in fact that WAS the problem, I told him to use +61 and none of the
calls worked. Even returning a call from an SMS did not work.

When he changed it to 011, it worked

Stupid yanks.
Peelah Ben Arhna - 12 Jun 2007 12:43 GMT
Michael J said....

> How is she trying to dial out?
>
> Is she using +61xxxxxxxx?

Apparently she's tried all possible combos that are available to her.
But what has us tossed is that she can send and receieve SMSes, but not
make voice calls.

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Joel Grealy - 15 Jun 2007 08:58 GMT
Can they call within the country, if so then the service has international
call barring preventing calls outside the country they are in. They need to
call their service provider and check the call barring settings.

> Michael J said....
>
[quoted text clipped - 5 lines]
> But what has us tossed is that she can send and receieve SMSes, but not
> make voice calls.
Michael J - 17 Jun 2007 01:02 GMT
> Can they call within the country, if so then the service has international
> call barring preventing calls outside the country they are in. They need
> to call their service provider and check the call barring settings.

Dont know if he tried dialling within the country, once he used 011 outgoing
access code all was fine

>> Michael J said....
>>
[quoted text clipped - 5 lines]
>> But what has us tossed is that she can send and receieve SMSes, but not
>> make voice calls.
Peelah Ben Arhna - 17 Jun 2007 02:56 GMT
Joel Grealy said....

> Can they call within the country, if so then the service has
> international call barring preventing calls outside the country they are
> in. They need to call their service provider and check the call barring
> settings.

Dunno.

Will ask when they get home.

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First things first, but not necessarily in that order.

Michael J - 18 Jun 2007 11:48 GMT
> Joel Grealy said....
>
[quoted text clipped - 6 lines]
>
> Will ask when they get home.

slightly defeats the purpose ;-)
Peelah Ben Arhna - 19 Jun 2007 00:16 GMT
Michael J said....

>> Dunno.
>>
>> Will ask when they get home.
>
> slightly defeats the purpose ;-)

At this point in time it doesn't really matter. They'll be home on
Friday. She's gone this long now without it, another coupla daze won't
matter.

I s'pose that the point of the story is that instead of relying on
roaming internationally, if you really need to carry a mobile whilst on
holidays (business trips are the exception), then simply get a cheap
pre-paid while visiting that country.

It'll be a cheaper exercise for starters, and you'll know that your
pre-paid will actually work. AND the costs of international calls to you
will be borne by the caller, not you as is the case with roaming.

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Michael J - 22 Jun 2007 09:48 GMT
> I s'pose that the point of the story is that instead of relying on
> roaming internationally, if you really need to carry a mobile whilst on
> holidays (business trips are the exception), then simply get a cheap
> pre-paid while visiting that country.

No, just get your sh.t into gear before your go.

And if your carrier is too stupid to set up IntRoam, go to another one
 
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