| E.164
numbering scheme |
| 00 |
| 358 |
| 9 |
| 1234567 |
| International number |
| 0 |
| 9 |
| 1234567 |
| National number |
| 1234567 |
| User number |
| Prefix |
| Country code |
| 358 |
| Area code |
| 9 |
| or mobile network code |
| 40 |
|
|
|
| In each
exchange, the B number is analyzed at call |
||
| setup and a
routing program (algorithm) selects |
||
| the next exchange to
which the call is routed. |
||