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3g usb modem error: connection failed: error 633

  1. #1
    Junior Member
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    Oct 2009
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    Default 3g usb modem error: connection failed: error 633

    I have recently got a HSDPA usb modem (Global wireless usb modem 7.2Mbps) with a BSNL 3g sim.

    I have added the following settings in the software,
    APN: bsnlnet
    Dial number: *99***1#
    PDP type: IP
    obtain DNS server automatically: selected this
    obtain PDP address automatically: selected this
    username: <empty>
    password: <empty>

    After this if I try to connect, it says, Connection Failed, error: 633.

    Please help me to configure this and connect to the internet.

    FYI, the sim is valid and has the data access limit too of 500GB. I have used this sim in my mobile, it all works like a charm. And I bought this 3g usb modem from dealextreme site.

    Thanks
    rsennat

  2. #2
    Silver Member sumanth's Avatar
    Join Date
    Sep 2008
    Posts
    364

    Default

    Try the dialing number *99#

  3. #3
    Junior Member
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    Jan 2011
    Posts
    2

    Default

    check talktime bal. keep min bal Rs7

  4. #4
    Junior Member
    Join Date
    Dec 2010
    Posts
    19

    Default

    check for coverage also

  5. #5
    Junior Member
    Join Date
    Jun 2012
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    1

    Default

    Problem : Error 633: The modem (or other connecting device) is already in use or is not configured properly.

    When did this happen : Trying to connect to a network using D Link DWM 156

    Cause : It seems one of the cause could be that a previous installation of a network software (another isp data card, eg tata photon, other dial up connections using the same port for the modem etc, eg nokia pc suite modem)

    Solution :
    1. Un-install all other network related softwares (like other isp data card installations)
    2. Uninstall other softwares that could have installed virtual modems across com ports - like nokia pc suite etc
    3. Delete the drivers related to the softwares in the previous steps
    4. Restart
    5. See if it works


    It worked for me.

    Quote Originally Posted by rsennat View Post
    I have recently got a HSDPA usb modem (Global wireless usb modem 7.2Mbps) with a BSNL 3g sim.

    I have added the following settings in the software,
    APN: bsnlnet
    Dial number: *99***1#
    PDP type: IP
    obtain DNS server automatically: selected this
    obtain PDP address automatically: selected this
    username: <empty>
    password: <empty>

    After this if I try to connect, it says, Connection Failed, error: 633.

    Please help me to configure this and connect to the internet.

    FYI, the sim is valid and has the data access limit too of 500GB. I have used this sim in my mobile, it all works like a charm. And I bought this 3g usb modem from dealextreme site.

    Thanks
    rsennat

  6. #6
    Junior Member
    Join Date
    Jun 2012
    Posts
    9

    Default

    if this is happening only during evening hours, ignore it, its because of BSNL server. Even I get same message and am unable to connect during evening and night, during day time it gets connected.

    Earlier I was getting some other error messages, solution was only to reformat my laptop....

  7. #7
    Junior Member
    Join Date
    Oct 2015
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    1

    Default

    Hi, It's sinmply because 'Telephony' might got turned off in your PC. To turn ity on, follow the link https://support.microsoft.com/en-us/kb/330163 or search Google for Error 711. Follow as directed in Microsoft page. Your modem will dial up in no time I found this out the hard way!

  8. #8
    Junior Member
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    Dec 2016
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    44

    Default

    Sometime its BSNL server issue. Try during day ttime

  9. #9
    Junior Member
    Join Date
    Feb 2017
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    Default

    hi
    welcome to this forum site , here you can find lots of things , i suggest you , for your question you have to contact any other expert , right now i have no knowledge about your query sorry for that .

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