Generic Number X-headers
Generic Number
Name | Type | Possible Values | Description |
Generic Number | String | Anything | Number information to enhance network operation or for supplementary services. |
GN Qualifier | Number | 0-127 | Number qualifier indicator |
GN Nature of Address Indicator | Number | 0-127 | Describing the scope of the original called number if the call has been redirected. Eg if the number is international, national, etc. |
GN Screening Indicator | Number | 0-3 | Indicating this is useer provided, or network provided, or reserved |
GN Presentation Indicator | Number | 0-3 | Indicating whether this is restricted, or allowed, or not available |
GN Numbering Plan | Number | 0-7 | Indicating numbering plan (i.e. ISDN plan, data numbering plan, etc) |
GN Number Incomplete Indicator | Number | 0-1 | Indicating either number is complete or incomplete |
Nature of Address Look Up Table
Value | Calling | Called |
0 | spare | spare |
1 | subscriber number | subscriber number |
2 | unknown | unknown |
3 | national | national |
4 | international | international |