Quote:
Originally Posted by UKSTEVE
If all else fails than you can try to make telephone calls using an USSD-command: Please dial *137*Countrycodes without "00", Areacode without "0", phone number and at last the pound sign (#).
Example for London/UK: *137*442072xxxxx#
If you have further questions, do not hesitate to contact us again.
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That's great that they revealed the USSD code behind the callback SIM application
It helped with the lack of callback when roaming on Era Poland - with the code above it works!
