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  1. #1
    Registered User
    Join Date
    Apr 2006
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    3

    Please help me => +CMS ERROR: 500

    hi
    I want send a SMS in PDU mode to mobile.

    1- conver "test" to 8bit
    test = 74657374

    2- i have send to mobile with 09143548579

    09143548579 = 9041538475F9

    3- run HyperTerminal soft and write this codes

    at+cmgf=0
    OK
    at+cmgs=18
    > 0051000B919041538475F900F5A70474657374<ctrl+z>

    but give this error

    +CMS ERROR: 500


    please help me

  2. #2
    Super Contributor
    Join Date
    Mar 2006
    Location
    Phoenix, AZ. USA
    Posts
    556

    Re: Please help me => +CMS ERROR: 500

    can you send a sms using non PDU, maybe device doesnt support sending sms

    AT+CMGF=1
    OK
    AT+CMGS="+4806781400"
    > Test
    > test2
    OK
    Jason Glass
    http://IChiBanComputers.Com

  3. #3
    Registered User
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    Apr 2006
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    3

    Re: Please help me => +CMS ERROR: 500

    no no no
    i want send Unicode Message to mobile, in text mode only send non unicode massage.
    plese help to me to send unicode SMS

  4. #4
    Super Contributor
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    Phoenix, AZ. USA
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    556

    Re: Please help me => +CMS ERROR: 500

    yours doesnt look correct, look at this...

    Sending a message in the PDU mode
    The following example shows how to send the message "hellohello" in the PDU mode from a Nokia 6110.


    AT+CMGF=0 //Set PDU mode
    AT+CSMS=0 //Check if modem supports SMS commands
    AT+CMGS=23 //Send message, 23 octets (excluding the two initial zeros)
    >0011000B916407281553F80000AA0AE8329BFD4697D9EC37<ctrl-z>

    There are 23 octets in this message (46 'characters'). The first octet ("00") doesn't count, it is only an indicator of the length of the SMSC information supplied (0). The PDU string consists of the following:

    can you send this successfully? if you can, then there your doing something wrong, or device might not support it.

    more help and insight, is located here, let me know please if it helps you!

    http://www.dreamfabric.com/sms/
    Jason Glass
    http://IChiBanComputers.Com

  5. #5
    Super Contributor
    Join Date
    Mar 2006
    Location
    Phoenix, AZ. USA
    Posts
    556

    Re: Please help me => +CMS ERROR: 500

    also dont know it matters, but you have a typo maybe ity is messing you up, i.e. extra space in lead after arrow
    > 0051000B919041538475F900F5A70474657374<ctrl+z>
    ^
    Jason Glass
    http://IChiBanComputers.Com

  6. #6
    Registered User
    Join Date
    Apr 2006
    Posts
    3

    Re: Please help me => +CMS ERROR: 500

    hi
    I test your code in HyperTerminal and it work ok


    AT+CMGF=0
    OK
    AT+CSMS=0
    +CSMS: 1,1,1

    OK
    AT+CMGS=23
    > 0011000B916407281553F80000AA0AE8329BFD4697D9EC37<ctrl+z>
    +CMGS: 101

    OK


    but !!!
    i codeing "hellohello" to 8 bit and it equal 68656C6C6F68656C6C6F but you write 0AE8329BFD4697D9EC37??????

    please help

  7. #7
    Super Contributor
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    Mar 2006
    Location
    Phoenix, AZ. USA
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    556

    Re: Please help me => +CMS ERROR: 500

    did you read the article/link, maybe your doing something different in your conversions

    "Interpreting 8-bit octets as 7-bit messages
    This transformation is described in detail in GSM 03.38, and an example of the "hellohello" transformation is shown here. The transformation is based on the 7 bit default alphabet , but an application built on the PDU mode can use any character encoding. "

    Coding 7-bit data (septets) into octets
    The message "hellohello" consists of 10 characters, called septets when represented by 7 bits each. These septets need to be transformed into octets for the SMS transfer.

    Read this link, i cant post it, as it's a table, and dont know how to insert...
    http://www.dreamfabric.com/sms/hello.html
    shows youi how to convert the hello characters
    Jason Glass
    http://IChiBanComputers.Com

  8. #8
    Registered User
    Join Date
    Sep 2008
    Posts
    2

    Re: Please help me => +CMS ERROR: 500

    Hi!
    I tried both the method for sending SMS i.e Text as well as PDU. But I am still receiving error 500.
    Please help me.

    And Does the GSM modem should have GPRS enabled ?

  9. #9
    Registered User
    Join Date
    Sep 2008
    Posts
    2

    Re: Please help me => +CMS ERROR: 500

    HI Jason!
    This is what i tried
    AT
    OK
    AT+CMGf=1
    OK
    AT+CSCA="9825001002"
    OK
    AT+CMGS="+919825506646"
    > Test Message
    +CMS ERROR: 500
    AT
    OK
    AT+CMGS="9825506646"
    ERROR
    AT+CMGS="+919825506646"
    > Text message 
    +CMS ERROR: 500
    AT+CMGF=0
    OK
    AT+CSCA="9825001002"
    OK
    AT+CMGS=23
    > 0011000B916407281553F80000AA0AE8329BFD4697D9EC37
    +CMS ERROR: 500

    Please help me.

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