Ensure that a Universal Network Services Unit is programmed.
Ensure that Interconnect Restriction and Intercept Handling is programmed for each trunk.
To program MSDN/DPNSS trunks:
Digital
Link Descriptors form
Enter "A" or "B" in the Address for Message Control
field.
Enter "DPNSS" in the Integrated Digital Access field.
Digital
Links form
Enter the Digital Link Descriptor Number programmed in step 1.
Class
of Service Options form
Set the ANI/DNIS ISDN Number Delivery Trunk field to "Yes".
MSDN-DPNSS-DASS
II Trunk Circuit Descriptors form
Select "CEPT" or "DS1" from the Card Type field
if cards are installed in DSU cabinet.
Enable "Incoming" or "Outgoing" from the Dual Seizure
Priority field.
Select "MAIN PBX" from the Far End Connection field.
Enable "MSDN-DPNSS" from the Signaling Protocol field.
Trunk
Attributes form
Enter the COS number programmed in step 3.
Complete the Non-dial in Trunks Answer Point fields.
Complete the Dial in Trunks: Incoming Digit Modification fields.
Digital
Trunks form
Complete the Trunk Number, Trunk Service Number (from step 5), Circuit
Descriptor (from step 4), and Interconnect Number fields.
Network
Synchronization form (optional)
Assign a source connection to a Network Source Clock.