# Tie Trunk Support

## Description

Tie trunks terminate on the attendant console, at station sets, in hunt groups, or on night bells. They may also be arranged as dial-in tie trunks or tandem trunks. Like CO trunks, tie trunks are arranged in groups. Dial-in tie trunks are assigned a Class of Service in the same manner as stations, and they can be given access to selected features.

## Conditions and Feature Interactions

- Tie trunks are subject to Interconnect Restrictions.

- Incoming tie trunks override Do Not Disturb and cannot be forwarded from the station.

## Programming

1. Complete the following forms:

- Trunk Circuit Descriptor - Loop Tie

- Trunk Attributes

- Trunk Groups

2. Complete ARS programming.

## Device Support

Not applicable

## Operation

None