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Man Pages


Manual Reference Pages  -  DEVICE::GSM::PDU (3)

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NAME

Device::Gsm::Pdu - library to manage PDU encoded data for GSM messaging

CONTENTS

WARNING



   This is C<BETA> software, still needs extensive testing and
   support for custom GSM commands, so use it at your own risk,
   and without C<ANY> warranty! Have fun.



NOTICE



    This module is meant to be used internally by C<Device::Gsm> class,
    so you probably do not want to use it directly.



SYNOPSIS



  use Device::Gsm::Pdu;

  # DA is destination address
  $DA = Device::Gsm::Pdu::encode_address(+39347101010);
  $number = Device::Gsm::Pdu::decode_address( $DA );

  # Encode 7 bit text to send messages
  $text = Device::Gsm::Pdu::encode_text7(hello);



DESCRIPTION

Device::Gsm::Pdu module includes a few basic functions to deal with SMS in PDU mode, such as encoding GSM addresses (phone numbers) and, for now only, 7 bit text.

FUNCTIONS

    decode_address( pdu_encoded_address )

Takes a PDU encoded address and decodes into human-readable mobile number. If number type is international, result will be prepended with a ‘+’ sign.

Clearly, it is intended as an internal function.

Example



    print Device::Gsm::Pdu::decode_address( 0B919343171010F0 );
    # prints `+39347101010;



    encode_address( mobile_number )

Takes a mobile number and encodes it as DA (destination address). If it begins with a ‘+’, as in ‘+39328101010’, it is treated as an international number.

Example



    print Device::Gsm::Pdu::encode_address( +39347101010 );
    # prints `0B919343171010F0



    encode_text7( text_string )

Encodes some text ASCII string in 7 bits PDU format, including a header byte which tells the length is septets. This is the only 100% supported mode to encode text.

Example



    print Device::Gsm::Pdu::encode_text7( hellohello );
    # prints `0AE832...



    pdu_to_latin1($pdu)

Converts a PDU (without the initial length octet) into a latin1 string.

Example



    my $pdu = CAFA9C0E0ABBDF7474590E8296E56C103A3C5E97E5;
    print Device::Gsm::Pdu::pdu_to_latin1($pdu);
    # prints `Just another Perl hacker



    latin1_to_pdu($text)

Converts a text string in latin1 encoding (ISO-8859-1) into a PDU string.

Example



    my $text = "Just another Perl hacker";
    print Device::Gsm::Pdu::latin1_to_pdu($text);
    # prints `CAFA9C0E0ABBDF7474590E8296E56C103A3C5E97E5



AUTHOR

Cosimo Streppone, cosimo@cpan.org

COPYRIGHT

This library is free software; you can redistribute it and/or modify it only under the terms of Perl itself.

SEE ALSO

Device::Gsm(3), perl(1)
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perl v5.20.3 DEVICE::GSM::PDU (3) 2012-03-08

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