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VOI-8000 User's Guide
3.4
Hunt Group
Instead of directly mapping a phone number to a destination, the ATPM first maps the phone
number to a group of destinations known as a Hunt Group. A hunt group is a group of
destinations that are equivalent.
might have 20 people who can handle support calls. Access to customer support is
through a single phone number but the next available support person is actually
connected upon each incoming call. These 20 phones would be configured as a hunt
group. A hunt group consists of a phone number and a list of destinations (members
of the group). When
group, the VOI-8000 attempts to terminate the call at each of the destinations in the hunt
group, one at a time until a call is successfully completed.
Every destination that can be reached by dialing a phone number is a member of at least one
hunt group. When an address is presented to ATPM for lookup, the output is a hunt group ID
number. As a second step, the hunt group ID is presented to ATPM to get the list of
members. To effectively bypass the hunt group feature, simply make a unique hunt group for
each destination and one member in each hunt group.
3.5
Dial Plan
The dial plan is a database inside the VOI-8000 for the ATPM to map telephony numbers
users dialed to the IP address of remote VOI-8000s. The dial plan consists of the destination
table, hunt group table and the address table. Users need to setup these tables, so that the
VOI-8000 knows how to setup calls with remote VOI-8000s.
Address Table
The address table maps a phone number to a hunt group. The table contains entries that
specify the following information:
•
Telephone number
•
The hunt group the phone number maps to.
•
The minimum number of digits to collect before the ATPM starting address lookup.
•
The maximum number of digits the ATPM collects before it considers the dial string
is complete.
•
Number of digits forward to the destination.
Address table sample:(FXS4O4)
Address
Entry
200
201
800
810
20
Overview
For example, the customer support group of a company
an incoming phone number matches the phone number of the hunt
Hunt
Min.
Grp_Id
Digits
1
3
3
3
5
0
5
0
11
2
Max.
Prefix
Digits
strip
3
0
3
0
3
3
3
3
5
2
Prefix
Address
None
None
None
None
None
7
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