| Global
title translation (GTT) |
|
|
|
| Global title
translation (GTT) is required when the |
||
| originating exchange
(SSP) knows a ”global title” |
||
| but does not
know the DPC of the database (SCP). |
||
| SSP |
| STP |
| SCP |
|
|
|
| Global
title (GT) |
||
| examples: |
||
|
|
|
| Translation |
||
| in STP |
||
|
|
| 0800 number
=> SCP |
|
| IMSI => HLR |
|
| GT => DPC + SSN |