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SS7 - MAP "AnyTimeInterrogation" ASN.1 sequence

Posted on 2004-10-16
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Last Modified: 2010-10-08
Dear All,
iam trying to use "AnyTimeInterrogation" command under MAP layer of SS7, can anybody send me the sample ASN.1 sequence? This is to identify the location of the mobile user in GSM networks. Thanks in advance....
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Question by:ovlnmurty
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JRSharpUK earned 250 total points
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fadiramada earned 250 total points
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The following is from    http://whatis.techtarget.com/definition/0,,sid9_gci213786,00.html
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ASN.1

ASN.1 (Abstract Syntax Notation One) is a standard way to describe a message (a unit of application data) that can be sent or received in a network. ASN.1 is divided into two parts: (1) the rules of syntax for describing the contents of a message in terms of data type and content sequence or structure and (2) how you actually encode each data item in a message. ASN.1 is defined in two ISO standards for applications intended for the Open Systems Interconnection (OSI) framework:
ISO 8824/ITU X.208 specifies the syntax (for example, which data item comes first in the message and what its data type is)
ISO 8825/ITU X.209 specifies the basic encoding rules for ASN.1 (for example, how to state how long a data item is)
Here's an example of a message definition specified with ASN.1 notation:


    Report ::= SEQUENCE {
        author       OCTET STRING,
        title        OCTET STRING,
        body         OCTET STRING,
        biblio       Bibliography
    }

In this very simple example, "Report" is the name of this type of message. SEQUENCE indicates that the message is a sequence of data items. The first four data items have the data type of OCTET STRING, meaning each is a string of eight-bit bytes (the term OCTET was used rather than BYTE because it can't be assumed that all computers will have eight bits in a byte). The bibliography data item is another definition named "Bibliography" that is used within this one. It might look like this:
   Bibliography ::=  SEQUENCE  {
          author       OCTET STRING    
          title        OCTET STRING
          publisher    OCTET STRING
          year         OCTET STRING            
   }

Other data types that can be specified include: INTEGER, BOOLEAN, REAL, and BIT STRING. An ENUMERATED data type is one that takes one of several possible values. Data items can be specified as OPTIONAL (not necessarily present).
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by:fadiramada
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Hi,

I think I deserve the points here.

Thanks,

Fadi
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