derivedDataType AllocatedNumberRangeDT

EcimDerivedString with length constraint (0..1024) and pattern restriction: +[0..9]

References from:
CscfOperatorAllocatedNumberRangeListClass;
stringAllocatedNumberRangeDT [ 0..1024 ]

Valid values: (^$|\+[0-9]*)
  derivedDataType AllocatedNumberRangeDT