DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Features and technical reference
1168Automatic routing — general
20
Figure 55. Automatic Routing
Figure Notes
1. Input from phone, public network
trunk, or private network trunk
2. Analyze digits to determine address
type (First Digit Table)
3. Direct to AAR/ARS
4. Direct to Uniform Dial Plan (UDP)
5. Analyze digits using UDP to determine
route
6. Delete and insert digits (AAR and ARS
Digit Conversion Tables)
7. Terminate call at phone
8. Analyze digits (AAR and ARS
Digit Analysis Tables) and
determine route pattern (Route
Pattern, Node Number Routing,
Extended Trunk Access screens)
9. Select outgoing trunk group and
delete and insert digits
10. Output to public network trunk
or private network trunk