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Thread: Encoding and SMS

  1. #1
    JGranborg Guest

    Default Encoding and SMS

    Im working with SMS in pika warp using asterisk.
    No problem sending SMSs, but I have som trouble regarding the danish letters and .
    What Encoding do I have to use to get these characters.
    I'm using the GsmSendSMS Action.

  2. #2
    Join Date
    Jul 2008


    Yes, the GSM module uses IRA encoding by default instead of unicode. This would likely explain the behaviour you are seeing. To change this I would recommend the following commands at the Asterisk CLI (assuming port 1):

    gsm send at 1 AT+CSCS="HEX"
    gsm send at 1 AT+CSMP=1,167,0,8

    After this configuration, your SMS messages can be tried again - hopefully with the proper characters.

    To share my reference, in the following webpage under the topic of 'Sending an Unicode SMS message" there is a rough explanation of the procedure.

    Hope this helps.
    Last edited by mrecoskie; 07-12-12 at 03:19 PM.

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