Group Number

A unique number that identifies the trunk group. The group number can be any number from 1 to the number configured for the maximum number of trunk groups.

TAC

The trunk access code (TAC) assigned to the trunk group.

Group Type

The type of trunk group::

• Access

• Advanced Private Line Termination (APLT)

• Central Office (CO) or Public Network Service

• Customer Provided Equipment (CPE)

• Digital Multiplexed Interface-Bit Oriented Signaling (DMI-BOS)

• Direct Inward Dialing (DID)

• Direct Inward/Outward Dialing (DIOD)

• Foreign Exchange (FX)

• Integrated Services Digital Network (ISDN-PRI)

• Release Link Trunk (RLT)

• Session Initiation Protocol (SIP)

• Tandem

• Tie

• Wide Area Telecommunications Service (WATS)

Group Name

The name assigned to the trunk group.

ACA On

The status of the ACA feature. This field indicates whether the trunk group is monitored using ACA. The field has the entries: y or n.

You can monitor a trunk group depending on various factors. For example, historical problems, suspicious data from another report, or a complaint from a user.

You can use ACA measurements with the following measurement reports:

• The list performance trunk-group

• The list performance summary

• The list measurements outage-trunk

• The list measurements trunk-group summary or hourly

Short Hold Time

The number of seconds that the system considers as a short hold time. Administer this value on the Trunk Group screen from 0 to 160. The default value is 10.

Short Thresh

The number of times that the system records a short holding call before alerting an attendant on the possibility of a faulty trunk. Administer this value on the Trunk Group screen from 0 to 30. The default value is 15.

Long Hold Time

The number of hours that the system considers as a long hold time. Administer this value on the Trunk Group screen from 0 to 10. The default value is 1. When the system detects a long holding call, the system makes a referral call.