route pattern, translation pattern, transformation

Hi,

Could anyone explain how route pattern, translation pattern and transformation work together on called/calling number?

 

Thanks.

Comments

  • Sure - that's not a large conversation or anything ;-)

    Well first off, take translation out of the picture until you understand the RP/Xformation pattern relationship.
    Next, digit manipulation can occur at a RP or RL Details page, as you probably well know. Xformation Patterns simply provide one more final level at which digit manipulation can occur - this time at the egress Gateway (or trunk) page.
    Now, digit manipulation that is configured at a RP page - doesn't really "occur" when the call reaches the RP - which is to say that it waits to see as it (the call) progresses on to the RL Details page it then asks: "Is there digit manipulation configured here at RL Details, and if so then should I choose that over the RP?", but then it doesn't process it yet because it (the call) progresses on to the Gateway (or Trunk) page and then again asks: "Is there digit manipulation configured here at the GW (In the form of a Called Xform CSS matching a PT and Called Xform Pattern) , and if so then should I choose and process that over the RP and the RL Details DM?". The LAST place it finds DM (Digit Manipulation) it will process that, and disregard the previously found DM along the path.

    Now that we have discussed that briefly, we can bring Translation Patterns back into the mix, because IF a Translation Pattern matches a dialed set of digits FIRST - BEFORE it reaches a standard RP - it will process whatever DM it finds there on the TP IMMEDIATELY, THEN route the call onto the RP (whatever RP matches the newly manipulated set of called digits) and then apply the above process.

    The important thing to remember is that a TP will process DM immediately, whereas a call progressing through a RP/RL Details/GW Xform Pattern will wait to see where the last DM occurs, and process only that. 

    There is an exception, but for the simplified explanation, that should suffice for now.

    HTH,


    On Nov 29, 2009, at 7:12 AM, Peng wrote:

    Hi,

    Could anyone explain how route pattern, translation pattern and transformation work together on called/calling number?

     

    Thanks.




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