T1 ISDN Special

Last Updated : Aug 30, 2026 |
Navigation: System SettingsLineT1 ISDN Special
Prolog information
Resource Id: line138
This tab is shown when the line Provider is set to AT&T. This table is used to set additional fields in the NSF information element after initial number parsing by the TNS tab. These are used to indicate the services required by the call. If the channel is set to Call by Call, then further parsing is done using the records in the Call by Call tab.
These settings must be edited offline. To enter offline editing, select Menu Bar Current User IconOffline Mode.
Field
Description
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 options are: No Operator, Local Operator or Presubscribed Operator.
Plan
Default = National.
The options are: National or International.
Typical values are:
Short Code
Number
Service
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