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  1. #1
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    Symbian 3rd edition and AT+CSSD messaging

    I have tried to sen USSD message but I got always ERROR response

    I follow the http://wiki.forum.nokia.com/index.ph..._USSD_commands
    and also that example wich can be found on that wiki page.
    I got ERROR response always.
    I tested with command AT+CUSD=?
    and got +CUSD : (0,1)OK

    If I test AT+CUSD=1,"##21#",15 Response is ERROR

    I tested with FP1 phone.
    Can anyone use AT+CUSD command successfully with new 3rd FP1 phones?

  2. #2
    Nokia Developer Moderator
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    Re: Symbian 3rd edition and AT+CSSD messaging

    ##21# is not a valid USSD command, thus you gotta use the real AT command for it instead.

  3. #3
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    Re: Symbian 3rd edition and AT+USSD messaging

    If I have understood right ##21# is USSD command which deactivate all call forwarding.

    If I write ##21# and press the green phone number phone sending message and soon I can see information note "All forwarding disabled"

    I tried to do this same programaticly by using AT+CUSD command. I have tried every variations but reply is alway ERROR.

    I used your example from wiki and write iStatus response is 0 and when starting the reading response is ERROR immeditly.

  4. #4
    Nokia Developer Moderator
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    Re: Symbian 3rd edition and AT+USSD messaging

    it is not USSD allthough it looks like one, don't get fooled on how the phone application appears to be handling it, since you can not see what it does in the code level. So just re-read what I said and check the AT commands manual for the right AT commands.

  5. #5
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    Re: Symbian 3rd edition and AT+USSD messaging

    Quote Originally Posted by symbianyucca View Post
    So just re-read what I said and check the AT commands manual for the right AT commands.
    I read the AT command list http://buildhost.automated.it/refere...cs/atnokia.pdf
    specially the following part:
    AT+CUSD=<n>,<str>,<dcs>
    Response is +CUSD:<m>,<str>,<dcs>

    Then I check the http://www.3gpp.org/ftp/Specs/1999-1.../22090-301.pdf
    1, 2 or 3 digits from the set (*, #) followed by 1X(Y), where X=any number 0-4, Y=any number
    0-9, then, optionally "* followed by any number of any characters", and concluding with # SEND:

    I think that eg. *10# is the right maked USSD message like:
    AT+CUSD=1,"*10#",15
    or
    AT+CUSD=1,"##21#",15


    response is always ERROR

    There is also discussion about the AT+CUSD:
    http://discussion.forum.nokia.com/fo...ad.php?t=76914
    http://discussion.forum.nokia.com/fo...d.php?t=106035
    http://www.newlc.com/topic-13494

    Can anyone help me I am stuck in this problem?

  6. #6
    Nokia Developer Moderator
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    Re: Symbian 3rd edition and AT+USSD messaging

    If you would just follow what I said earlier you would have gotten it to work. As I said that call forwarding is 21-commands are NOT USSD commands, you can not utilize CUSD for executing them, instead you gotta read the manual and find the actual CALL FORWARDING AT command and use it.

  7. #7
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    Re: Symbian 3rd edition and AT+CSSD messaging

    Quote Originally Posted by 3rdparty View Post

    If I test AT+CUSD=1,"##21#",15 Response is ERROR
    i think there no AT command using double #, u can use command:
    AT+CCFC=<reason>,<mode>,<number>,<type>,<class>,<subaddr>,<satype>, <time>

    AT command for forwarding
    MOST BRAWIJAYA UNIVERSITY
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  8. #8
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    Post Re: Symbian 3rd edition and AT+USSD messaging

    Quote Originally Posted by 3rdparty View Post
    If I have understood right ##21# is USSD command which deactivate all call forwarding.

    If I write ##21# and press the green phone number phone sending message and soon I can see information note "All forwarding disabled"

    I tried to do this same programaticly by using AT+CUSD command. I have tried every variations but reply is alway ERROR.

    I used your example from wiki and write iStatus response is 0 and when starting the reading response is ERROR immeditly.
    Hi Jukka.
    I just saw strange behaviour. When i pressing ##21# and Green Key on E61i then i get message after requestng thar "ALL DIVERTS CANCELED" but when i tried same om my E90, its giving "RESULT UNKNOWN"... Is is dependent on FirmWare version..
    ===With Symbian===
    "Something Has Survived..!!!"

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