Global Title

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Global Title
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Address used in SCCP ptorocol for routing signaling messages on telecommunication network.
Unique address that refer only one destination, though in practice destination change over time.

@@@ Structure @@@
1) Global title format
- format of global title used

2) Numbering Plan Indicator
- which numbering plan used for global title.

NPI Description Standard
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0 unknown
1 ISDN Telephony E.164
2 generic
3 data X.121
4 telex F.69
5 maritime mobile E.210 and E.211
6 land mobile E.212
7 ISDN/mobile E.214

Bits 3 2 1 0
0 0 0 0 Unknown
0 0 0 1 ISDN/telephone numbering plan (E.164/E.163)
0 0 1 1 Data numbering plan (X.121)
0 1 0 0 Telex numbering plan
1 0 0 0 National numbering plan
1 0 0 1 Private numbering plan
1 0 1 0 ERMES numbering plan (ETSI DE/PS 3 01-3)
1 1 1 1 Reserved for extension
All other values are reserved

3) Type of Number(TON) or Nature of Address Indicator(NAI)
- indicate the scope of the address value.

Type-of-number:
Bits 6 5 4
0 0 0 Unknown 1)
0 0 1 International number 2)
0 1 0 National number 3)
0 1 1 Network specific number 4)
1 0 0 Subscriber number 5)
1 0 1 Alphanumeric, (coded according to GSM TS 03.38 7-bit default alphabet)
1 1 0 Abbreviated number
1 1 1 Reserved for extension

4) Translation Type
- Indicate the preferred method of global title analysis