What we need here is a matrix of what calling party mods where do what
and in what combination...

I am noticing that if you go thru the translation pattern, you avoid
your transformation patterns, and then use Route List mods...

On Fri, Jul 17, 2009 at 12:09 PM, Vik Malhi<vma...@ipexpert.com> wrote:
> Otto,
>
> I can only give you my opinion- the docs are weak in this area.
>
> Firstly- the docs support the notion that digit manipulation is compounded-
> the only time they explicitly state one OVERRIDES the other is the RL-RG
> overriding the RP.
>
> It seems to me the weird behavior would be related to the SIP Trunk. The
> reason I say this is when manipulation occurs on the RP+RLRG then RLRG
> overrides the RP as expected. When manipulation occurs at
> RP+RLRG+CGNXformation then the RL is ignored and the RP+CGNXformation is
> compounded.
>
> So for example:
>
> 1002 calling 911
> RP=911, CGN Prefix=1
> RL=SIPTrunk, CGN Prefix=2
>
> When the call is sent to the PSTN the ANI is 21002. RLRG overrides RP.
>
> When a CGN Transformation Pattern is added and the appropriate CSS is
> assigned to the CGN Xformation CSS on the SIP Trunk then...
>
> 1002 calling 911
> RP=911, CGN Prefix=1
> RL=SIPTrunk, CGN Prefix=2
> SIPTrunk with CGN Xformation CSS=CGN-SIP->pt-cgn-sip
> CGN Xformation Pattern=!/pt-cgn-sip, CGN Prefix=3
>
> According to the SRND I would expect to see the RLRG override the RP and
> then the CGN Xformation compounded to the RLRG. Not so. When the call is
> sent to the PSTN the ANI is 311002. I would expect this to be 321002.
>
> With H323/MGCP at least we have some more consistency- we can always state
> that RLRG overrides the RP and when the CGN Xformation CSS is used this
> overrides both RP and RLRG.
>
> It would be nice to see what the behavior is in UCM 7.1 out of interest...
>
>
>
>
> --
> Vik Malhi – CCIE #13890, CCSI #31584
> Senior Technical Instructor - IPexpert, Inc.
>
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> ________________________________
> From: Otto Sanchez <otto.sanc...@daxa.com.ve>
> Date: Thu, 16 Jul 2009 22:31:26 -0430
> To: OSL Group <ccie_voice@onlinestudylist.com>
> Subject: [OSL | CCIE_Voice] Calling Party Tranformation Patterns
>
> Hey list,
>
> According to the UCM SRND the calling party transformation patterns are to
> be matched with the result of the transformations performed at the RP/RL
> level:
>
> *********************
> The calling and called party numbers resulting from the digit
> transformations configured in the route pattern and/or route lists are then
> processed by any Transformation Patterns configured for the devices
> contained in the chosen Route Group.
> ........
> If you are performing several digit manipulations in a route pattern or a
> route group, the order in which the transformations are performed can impact
> the resulting calling and called party numbers used for the call. Unified CM
> performs the following major types of digit manipulations in the order
> indicated:
> 1. Discarding digits
> 2. Called/calling party transformations
> 3. Prefixing digits
> 4. Called/calling party transformation patterns
> *********************
>
> However, this seems not to be the reality at least when a call is routed
> through a RP pointing to a RL containing h.323 or mgcp gateways.
> Furthermore, the lab 5c PG states (page 204) that "The calling party
> transformation pattern match is based on the calling number at the point the
> route pattern match took place", so a TP had to be inserted in between the
> DN and the RP to transform the calling number and not match the already
> created calling transformation pattern, and finally sort out the task 5.4.
>
> In contrast, when testing with a RP -> RL in which there is a sip-trk, the
> results are more close to what the srnd states, i.e the RP calling party
> transformation result is matched with the calling party transformation
> patters set for the gw; with the exception that calling party
> transformations performed on the RL level the results are ignored by the
> calling party transformations patterns. So at the end there are mixed
> results (at least with the testing I've been doing), and I couldn't come
> with a clear conclusion of what should be happening...,
>
> If the SRND is correct, would the current ucm behavior represent a bug?, if
> the PG is right, please kindly explain the process further and give some
> docs references in order to get a better understanding,
>
> Help very appreciated,
>
> Otto
>
>
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