Trouble with Roaming SIM card for two step authentification
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Trouble with Roaming SIM card for two step authentification
I have a SIM card that is valid until some distant date in the future, since I used to top up a lot and it got extended for a long time.
As a result, I thought I would have no problem using that SIM on some online accounts that require a phone number and use that number for two step authentification.
I left Cambodia and I thought it was on roaming. But I had no coverage (it said 'no network'). I just called Cellcard and they said roaming is turned off. He was just telling me that he cannot turn it on when my VOIP credit was cut off (calling Cambodia from abroad is pretty expensive).
Is there any way to turn on roaming from outside the country? I think the Cellcard app also has to be activated with an SMS over the air code.
I assume this is the reason why its not working. The SIM shows no coverage anywhere since I left Cambodia.
If you have any way to help that would be really appreciated. Thanks.
As a result, I thought I would have no problem using that SIM on some online accounts that require a phone number and use that number for two step authentification.
I left Cambodia and I thought it was on roaming. But I had no coverage (it said 'no network'). I just called Cellcard and they said roaming is turned off. He was just telling me that he cannot turn it on when my VOIP credit was cut off (calling Cambodia from abroad is pretty expensive).
Is there any way to turn on roaming from outside the country? I think the Cellcard app also has to be activated with an SMS over the air code.
I assume this is the reason why its not working. The SIM shows no coverage anywhere since I left Cambodia.
If you have any way to help that would be really appreciated. Thanks.
Re: Trouble with Roaming SIM card for two step authentification
Doesn’t matter how much you top it up. Most networks carriers have time limits - if you don’t top up it invalidates the number and after a time it gets reissued if you do nothing.
The maximum I’ve seen is three months, but you have to turn that feature on.
Roaming is done via your phone not the sim.
Have you tried ringing it, it’ll say if it’s invalid or not.
The maximum I’ve seen is three months, but you have to turn that feature on.
Roaming is done via your phone not the sim.
Have you tried ringing it, it’ll say if it’s invalid or not.
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Re: Trouble with Roaming SIM card for two step authentification
The telcos might have changed their policy since a few years ago. When I call the number to check credit, or check it by SMS it says my SIM is valid for several more years.mannanman wrote: ↑Sat Jan 29, 2022 10:21 am Doesn’t matter how much you top it up. Most networks carriers have time limits - if you don’t top up it invalidates the number and after a time it gets reissued if you do nothing.
The maximum I’ve seen is three months, but you have to turn that feature on.
Roaming is done via your phone not the sim.
Have you tried ringing it, it’ll say if it’s invalid or not.
So the issue is not the validity of the SIM, it's that roaming is not working. According to my call to Cellcard yesterday, roaming is not turned on.
Does anyone know a cheap VOIP method to call Cambodia? Skype is 27 cents per minute.
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Re: Trouble with Roaming SIM card for two step authentification
How are you doing that?
Are you using a USSD code like #823# ?
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Re: Trouble with Roaming SIM card for two step authentification
I'm not doing it now. I used to do it when I was in Cambodia. I was in Cambodia for a long time, and whenever I would check it would always show validity until a distant time. And yes, it was #823# I believe. Or was it #824#?
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Re: Trouble with Roaming SIM card for two step authentification
Yeah, but, can you do that now? I guess not.
If you can use USSD codes, you can activate roaming with #8910#
https://www.cellcard.com.kh/en/internat ... appy-roam/
If you can use USSD codes, you can activate roaming with #8910#
https://www.cellcard.com.kh/en/internat ... appy-roam/
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Re: Trouble with Roaming SIM card for two step authentification
Yeah, I mean if roaming is not activated and its showing no service then I don't think the USSD code is going to work.
Re: Trouble with Roaming SIM card for two step authentification
Is roaming switched on?
Is the country you're trying to roam in supported by Cellcard?
https://www.cellcard.com.kh/en/internat ... appy-roam/
Is the country you're trying to roam in supported by Cellcard?
https://www.cellcard.com.kh/en/internat ... appy-roam/
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Re: Trouble with Roaming SIM card for two step authentification
Good question! Where I am, roaming is not available for Cellcard. I thought that was the problem. Then when I visited my home country, it turned out it wasn't working there either. (and my home country is in their list) Which I thought was strange,Kammekor wrote: ↑Sat Jan 29, 2022 12:33 pm Is roaming switched on?
Is the country you're trying to roam in supported by Cellcard?
https://www.cellcard.com.kh/en/internat ... appy-roam/
Then when I called Cellcard last night long distance, they said that roaming is turned off. The guy said he couldn't turn it on, and seemed to be trying to do it, but then I got cut off due to insufficient credit.
That's why I'm looking for cheap VOIP calls to Cambodia.
Re: Trouble with Roaming SIM card for two step authentification
Not just the country, you also need access to Cellcard's network partner's network, for instance in the Netherlands that's Vodafone. If you're in an area where there's no signal from them there's still no roaming.daeum_tnaot wrote: ↑Sat Jan 29, 2022 12:38 pmGood question! Where I am, roaming is not available for Cellcard. I thought that was the problem. Then when I visited my home country, it turned out it wasn't working there either. (and my home country is in their list) Which I thought was strange,Kammekor wrote: ↑Sat Jan 29, 2022 12:33 pm Is roaming switched on?
Is the country you're trying to roam in supported by Cellcard?
https://www.cellcard.com.kh/en/internat ... appy-roam/
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