by Walt Medak

Q:  I just took over the programming responsibilities on our Definity phone system.  We have ARS Partitioning turned on, and I’m having a problem understanding how to figure out which route pattern a particular station would use.  I can’t seem to find where the station is associated with a partition group number.  Where do I find that information?

A:  Trying to figure out ARS Partitioning is one of the more confusing things to figure out in these systems.  The first thing you need to do is look at the station and make a note of the Class of Restriction (COR) associated with the set.  Once you have that information, you would display that particular COR (display COR xx).  On the COR screen, you will see a field called “Time of Day Chart:”.  Make a note of that number.  Then use the command “display time-of-day x” to show the Time of Day Routing Plan.  This screen breaks down each day into six different sections, each of which can be used to assign a different Partition Group Number (PGN) to the station based on the time of day.  Once you know the PGN that is assigned to the station at the particular day and time you are interested in, you can go back to the ARS Analysis Table and determine which Partition Routing Table to look at by looking at the Route Pattern assigned to the Dialed String you are checking.  If the Route Pattern is just a number, i.e. 1, 2, etc… then that is the route pattern.  If the Route Pattern is p1, p2, etc… that is the Partition Routing Table to check.  You would use the command “display partition-route-table x“.  This will bring up a table with the PGN’s that are assigned to the stations forming the columns across the screen.  Find where the Partition Route Table and Partition Group Number intersect, and that is the Route Pattern the station will use.

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