NPI
|
GT Numbering Plan Type
|
Description
|
Standard
|
* |
Not used |
No filtering based on NP |
|
0 |
Unknown |
Unknown |
|
1 |
ISDN |
ISDN/telephony numbering plan |
E.164
|
2 |
Telephony/generic |
Telephony numbering plan (Not valid in ITU96, ANSI96 and TELCORDIA) |
|
3 |
Data |
Data numbering plan |
X.121
|
4 |
Telex |
Telex numbering plan |
F69
|
5 |
Maritime mobile |
Maritime Mobile numbering plan |
E210 and E.211
|
6 |
Land mobile |
Land Mobile numbering plan |
E.212
|
7 |
ISDN mobile |
ISDN Mobile numbering plan |
E.214
|
14 |
Private |
Private network or network specific numbering plan. (For ITU96, ANSI96 and TELCORDIA) |
|