This menu is accessed from the System page by selecting Update Trunk Configurations. |
This menu is accessed from the Admin Tasks list by selecting Trunks. |
These settings are only available for a PRI trunk where the Provider has been set to AT&T.
TNS Code
•TNS Codes
This table is used to set the TNS (Transit Network Selection) information element for 4ESS and 5ESS exchanges. It is also used to set fields in the NSF information element. These are prefixes for alternative long distance carriers. When a number dialed matches an entry in the table, that pattern is stripped from the number before being sent out. For example, if the pattern 10XXX is added to this tab, when 10288 is dialed, the 10 is removed and 288 is placed in the calls TNS and NSF information fields.
Special
•Short code:
The number which results from the application of the rules specified in the User or System Short code tables and the Network Selection table and the Call-by-call table to the number dialed by the user.
•Number:
The number to be dialed to line.
•Special: Default = No Operator
The available options are No Operator, Local Operator or Presubscribed Operator.
•Plan: Default = National
The available options are National or International.
An example set of settings would be:
Short Code |
Number |
Special |
Plan |
011N |
N |
No Operator |
International |
010N |
N |
Local Operator |
International |
01N |
N |
Local Operator |
National |
00N |
N |
Presubscribed Operator |
National |
0N |
N |
Presubscribed Operator |
National |
1N |
1N |
No operator |
National |
Call By Call
Settings in this tab are only used when calls are routed via a channel which has its Service set to Call by Call.
It allows short codes to be created to route calls to a different services according to the number dialed. Call By Call reduces the costs and maximizes the use of facilities. Call By Call chooses the optimal service for a particular call by including the Bearer capability in the routing decision. This is particularly useful when there are limited resources.
•Short Code:
The number dialed.
•Number:
The number to be dialed to line.
•Service: Default = AT&T
The service required by the call from SDN (inc GSDN), MegaCom800, MegaCom, Wats, Accunet, ILDS, I800, ETN, Private Line or AT&T Multiquest.