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USSD Issue

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  • #69744


    please your help regarding to the following issue:

    Scenario 1: we used a NOKIA 6020 handset to refill a new voucher by using *333*xxxxxxxxxxxxxx# USSD code the operation passed successfully.

    Scenario 2:we used a Samsung Galaxy SIII handset to refill a new voucher by using the same USSD but the operation failed and we got the following pop up Message:

    “ Call barring Connection problem or invalid MMI code All outgoing for All Basic Services”

    Refer to the trace files on MSC. The main problem is in the register message.

    – When we used the SII handset the operation code is: activateSS (12)

    — But when we used Nokia 6020 the operation code is: processUnstructuredSS-Request (59)

    Why the network read the same message from different handsets in different way?

    Note : Ericsson Access network and Huawei Core Network.

    Thank you

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