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134
SX-200 ICP MX Technician’s Handbook
5. Form 16, Trunk Groups
- Assign to a trunk group if outgoing.
Programming a range of Dial-in Trunks
Follow the instructions on page 132 for range programming Non Dial-in
Trunks.
DISA trunks
1. Form 01, System Configuration
- Program a trunk card that meets the trunk type requirements.
2. Form 13, Trunk Circuit Descriptors
- Select a DISA circuit descriptor to match hardware type.
3. Form 03, Class of Service
- Assign trunk options only.
4. Form 15, Dial-In Trunks
- Assign COS, COR, and Tenant.
- Column N: set to 0
- Column M: set to 0
- Column X: leave blank
- Assign a Trunk Name if desired. The name is what appears on the
consoles and phone displays for incoming and outgoing calls.
Recommended Options for System Security
Form 03: Enable Option 808 (Special DISA).
Form 04: Enable Option 5 (Verified Account Codes) and specify a time for
Option 54 (DISA Answer Timer).
Note: Assignment of a DISA circuit descriptor to a trunk changes the trunk
to a DISA trunk.
Note: Assign a separate COS for the Dial-In Trunk.