Programming Embedded T1/D4 Trunks

Before You Begin

Ensure that:

• The T1/E1 Combo Card, or Dual T1/E1 Framer Module is installed and programmed.

• Interconnect Restriction and Intercept Handling is programmed for each trunk.

Programming

To program T1/D4 trunks:

1. Digital Link Descriptors form

• Select "T1D4" from the Integrated Digital Access field.
  T1 supports CSU mode and DSX-1 mode. 

2. Digital Links form

• Enter the digital link descriptor number programmed in step 1.

3. Class of Service Options form

• Set the ANI/DNIS ISDN Number Delivery Trunk field to "Yes" (if provided).

4. Complete one of the following forms:

5. Trunk Circuit Descriptor - Digital CO

6. Trunk Circuit Descriptor - Digital DID

7. Trunk Circuit Descriptor - Digital E and M

5. Trunk Attributes form

• For E&M trunks, set Release Link Trunk to "E&M"

• For Non-dial in Trunks (CO and E&M), set Day, Night1, and Night2 Answer Points

• For Dial in Trunks (DID), set the number of digits to absorb in the Incoming Digit Modification-Absorb field

6. Digital Trunks form

• Enter a Trunk Number, Trunk Service Number (from step 5), Circuit Descriptor (from step 4), and Interconnect Number.

7. Network Synchronization form (optional)

• Assign a source connection to a Network Source Clock.

8. Trunk Groups form

• For outgoing trunks, assign the trunk number (from step 6) to a trunk group.