Destination

Validations ASN.1 Parent Types

The Destination indicates the number dialled by the subscriber (Called Number) or in cases involving supplementary services such as call forwarding or transfer etc., the number to which the call is routed.

The element contains additional information to supplement the number such as Type of Number, Numbering Plan and Modification Indicator (conditionally) together with optional information detailing the geographical destination of the call.

Where there is more than one occurrence of group Called Number Analysis within Network Information then a Called Number Analysis Code must be present to support HPMN repricing and charge validation.

Conditionality: 

Must be present within group MO Basic Call Information except where there is no number present on the air interface, e.g. emergency calls.

Validations

Error Code	Context	Severity Level	Validation Description
30     31     32     33     34     35     37         38	MOC     MOC     MOC     MOC     MOC     MOC     MOC         MOC	Severe     Warning     Warning     Warning     Severe     Severe     Severe         Warning	Item Called Number not present and call does not represent an emergency call.   Item Type Of Number present and Called Number not present within group.   Item Numbering Plan present and Called Number not present within group.   Item Modification Indicator present and Called Number not present within group.   Item Type Of Number not present and Called Number present within group.   Item Numbering Plan not present and Called Number present within group.   Item Called Number Analysis Code missing within group and more than one occurrence of Called Number Analysis present within group Network Information.   Item Called Number Analysis Code present within group and only one occurrence of Called Number Analysis present within group Network Information.

 

Destination ::= [APPLICATION 89] SEQUENCE
{
    typeOfNumber                TypeOfNumber          OPTIONAL,
    numberingPlan               NumberingPlan         OPTIONAL,
    calledNumber                AddressStringDigits   OPTIONAL,
    modificationIndicator       ModificationIndicator OPTIONAL,
    calledPlace                 CalledPlace           OPTIONAL,
    calledRegion                CalledRegion          OPTIONAL,
    calledNumAnalysisCode       CalledNumAnalysisCode OPTIONAL
}

Parent Types

MoBasicCallInformation
Text extracted from GSMA TD57 standard