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From: TERRY@spcvxa.bitnet (Terry Kennedy, Operations Mgr)
Newsgroups: comp.dcom.telecom
Subject: Re: Logistics of Setting up a Modem Hunt Group
Message-ID: <14366@accuvax.nwu.edu>
Date: 5 Nov 90 08:00:53 GMT
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In article <14335@accuvax.nwu.edu>, our Moderator writes:

> [Moderator's Note: I don't think you are correct. I think anywhere you
> enter the loop if that line is busy (i.e. you are in fact calling from
> it) the incoming call will continue forward in the hunt group.  The
> exception would be as Mr. Levenson points out in the next message.  PAT]

  I know of several methods of setting up "hunt groups". Not all of
these are available on all switches:

  o Single-entry hunt - A single number is used to enter the hunt group,
    with the remaining numbers not hunting. On older (step-by-step) gear,
    the additional numbers may not even be directly dialable.

  o Linear hunt - The group may be entered on any of it's members. If all
    lines from the entry one through the end are in use, a busy signal is
    issued (the group does not loop back to the front).

  o Circular hunt - like linear, but it will loop from the tail to the
    head if necessary.

  o Call Forward Busy - If the line is busy, calls are forwarded to another
    number. On switches which allow recursive forwarding, one can construct
    large hunt groups this way.

  o Call Forward Busy / No answer - Adds the ability to hop to another line
    if one of the numbers doesn't answer.

  o Automatic Call Distributor - Calls to a single number are routed pseudo-
    randomly to various numbers in the modem pool.

  Some of these are only useful for _large_ pools of numbers (ACD),
while others don't scale well to larger groups (CFB, CFB/NA).

  Again, depending on the switch, you may not be able to verify the
hunt from within the group. Also, if you've ordered a two-line hunt
group, or find one, it may be set up CFB rather than true hunt,
especially if the customer has other features on the line, like 3W
calling, speed dial, etc.


        Terry Kennedy           Operations Manager, Academic Computing
        terry@spcvxa.bitnet     St. Peter's College, US
        terry@spcvxa.spc.edu    (201) 915-9381