Parameter: Format Type (GTI)
From TBwiki
- NOT_USED: Indicates that global title is not used.
- TYPE_1: Odd/Even Type and Nature of Address Indicator (NAI).
- TYPE_2: Translation Type (TT) value.
- TYPE_3: Translation Type (TT) value, Numbering Plan (NP) and Encoding Scheme (ES).
- TYPE_4: Translation Type (TT) value, Numbering Plan (NP), Encoding Scheme (ES) and Nature of Address Indicator (NAI).
