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Generic Number X-Headers

    Generic Number

    Name Type Possible Values Description
    Generic Number String Anything Number information to enhance network operation or for supplementary services.
    GN Qualifier Number 0-127 Number qualifier indicator
    GN Nature of Address Indicator Number 0-127 Describing the scope of the original called number if the call has been redirected. Eg if the number is international, national, etc. 
    GN Screening Indicator Number 0-3 Indicating this is useer provided, or network provided, or reserved
    GN Presentation Indicator Number 0-3 Indicating whether this is restricted, or allowed, or not available  
    GN Numbering Plan Number 0-7 Indicating numbering plan (i.e. ISDN plan, data numbering plan, etc)
    GN Number Incomplete Indicator Number 0-1 Indicating either number is complete or incomplete

     

    Nature of Address Look Up Table

    Value Calling Called
    0 spare spare
    1 subscriber number subscriber number
    2 unknown unknown
    3 national national
    4 international international