Avaya Communication Manager Administrator's Manual page 1572

Feature Reference
Hunt groups
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Trunk signaling
A hunt group always has its own extension. Therefore, a caller with a phone on Communication
Manager can call the hunt group by dialing only that extension. If a trunk group has the ability to
pass digits from the CO to Communication Manager (for example, a DS1 trunk group), a caller
can also call the hunt group by dialing a 7-digit phone number that consists of a specified prefix
and the hunt group's extension.
If a trunk group cannot pass digits from the Central Office (CO) to Communication Manager,
incoming calls on that trunk group can connect to a hunt group only if the trunk group has the
hunt-group extension as its primary destination. This includes trunk groups for incoming listed
directory number (LDN) calls, international exchange calls, 800 service calls, and automatic
tie-trunk calls.
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Answer supervision
Communication Manager sends answer supervision to the central office when a call connects to
an extension in the hunt group or an announcement. Charging for the call, if applicable, then
begins.
Interactions
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Attendant Call Waiting
Attendant Call Waiting does not work for calls that the attendant sends to a hunt group. It does
work for calls to individual hunt-group members.
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Attendant Return Call
Attendant Return Call does not work for calls that the attendant sends to a hunt group.
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Automatic Callback
Automatic Callback does not work on calls to a hunt group.
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Automatic Call Distribution
ACD does not work with circular station hunting.
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Call Detail Recording
For each call, the system can record the associated hunt-group extension or member extension
that answered.
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Internal Automatic Answer
Internal calls to a hunt-group member are eligible for IAA.
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Leave Word Calling
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A hunt group can receive and store LWC messages. The following people can retrieve LWC
messages:
— One member of the hunt group
— A covering user of the group
— A system-wide message retriever
The message retriever must have a phone display and proper authorization. If the message
retriever is a member of the hunt group, you can assign to that member a remote Automatic
Message Waiting lamp to indicate when the hunt group has an LWC message.
Night Service — Hunt Group
1572 Administrator's Guide for Avaya Communication Manager
November 2003