AddPac VoiceFinder AP200 User Manual page 196

VoiceFinder AP200 VoIP Residential Gateway (RGW) User's Guide Version 1.1
peer are compared. At this time, more than one dial peers corresponding to
the called party number belong to a hunt group, and dial peers in the hunt
group attempt calls according to given priorities.
In other words, the VoIP peer attempts a call to a dial peer of the hunt group
when the call is failed due to network connection failure, gatekeeper failure, or
gatekeeper rejection. And the POTS peer attempts a call to another dial peer
of the hunt group when the call is failed due to corresponding voice port's
being busy.
Factors deciding priorities to attempt calls in the hunt group include the longest
match, the explicit preference, the sequential, and the random.
The longest match decides priorities by the maximum digits matched between
the origination number and the destination number of the dial peer.
example, consider the origination number is 5683848, the destination number of
dial peer 1 is 568T, the destination number of dial peer 2 is 568...., the
destination number of dial peer 3 is 56838.., and the destination number of dial
peer 4 is 5683848. Then, priorities of the dial peer by the longest match will be
in order of dial peer 4 → dial peer 3 → dial peer 2 → dial peer 1.
In the explicit preference, the order set in the preference of the dial peer
decides priorities. For example, consider the preference of dial peer 1 is 3, the
preference of dial peer 2 is 2, the preference of dial peer 3 is 1, and preference
of dial peer 4 is 0. Then, priorities of the dial peer is in order of dial peer 4 →
dial peer 3 → dial peer 2 → dial peer 1.
The random decides the dial peer within the hunt group randomly.
The sequential decides priorities according to the selection count. The less
selected, the higher priority is given.
This priority algorithm operates using all factors mentioned above.
example, operation of hunt-order-number 0 decides the first priorities
according to the longest matching, checks the preference order within the
same longest match priority, and then randomly selects the dial peer in the
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