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Thread: USSD error

  1. 2014-10-23, 01:20 AM #1
    isbou
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    Default USSD error

    Hi all, Hope every one is fine, I have an issue with some SIMs, indeed, some SIMs of my subscribers can't perform USSD code, when try this they get follow error :'Invalid Service Code', We investigated many times but not able to find a solution for that, could you please help me to fix this issue? Thanks in advance.
  2. 2014-10-23 01:20 AM # ADS
    Finetopix
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  3. 2014-10-23, 01:27 AM #2
    isbou
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    Default Re: USSD error

    Note that please, the USSD for balance check is working fine.
  4. 2014-10-23, 02:50 AM #3
    baby2
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    Default Re: USSD error

    Did you checking the class of SIM?

    class 10-15 for operator use
  5. 2014-10-23, 05:15 PM #4
    isbou
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    Default Re: USSD error

    Can you explain more how class of SIM can help?
  6. 2014-10-28, 05:44 PM #5
    isbou
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    Default Re: USSD error

    Dear Wire free aliance members,
    could you please help me here? Thanks in advance.
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