[cisco-voip] PRI Issues

[Monica Hardy]

So far my understanding is when the call comes in and then back out the
same PRI is when I have seen the issue.

 

Did a little bit more testing yesterday and took out the setting on one
PRI where the issue has happened under the Incoming Calling Party
settings:

Incoming Calling Party National Number Prefix took out 91  (again on the
other gateway with 2 PRI's it is configured this way with no issues).

it seems to work, but in my limited amount of testing I could not get
the incoming and outgoing call to be on the same gateway to have a true
test

of where it failed the most.  For this test we did setup another Route
Pattern and put in a Called Party Transform Mask on the RP.

 

I think at this point I need to just take a downtime with things they
way they normally would be and do some more testing because our results
keep changing in doing these tests and trying to do they without causing
any issues.

 

But I do know for a fact the failure always happens on one gateway.  It
seems to be just one PRI on this gateway, but need more testing to be
sure.

 

When the setting is changed to Originator for calling Party selection,
this is what I see.  The call comes in fine, but then in the CF the
Calling Party Number puts a 91 and then the number which changes the
Plan type to National when the number is CF to a international number so
the call fails.  

 

Thanks for everyone's help.  I will update you all when I figure out
what the problem is.

 

-Monica

 

From: Justin Steinberg [mailto:jsteinberg at gmail.com] 
Sent: Thursday, August 05, 2010 5:48 AM
To: James Buchanan
Cc: Monica Hardy; Robert Kulagowski; cisco-voip
Subject: Re: [cisco-voip] PRI Issues

 

when you say it only does this on "one gateway", what exactly do you
mean?  do you mean that it only happens when the call comes inbound to
you on a specific gateway, or when you route the international call out
a specific gateway.

I suspect the 91 is being added in a translation pattern that is used to
route your inbound DIDs.  

The easiest way to fix this would be to apply a specific transformation
pattern to your outgoing gateway PRI.   You could setup the
transformation pattern to 91XXXXXXXXXX and then set the calling party
transformation mask to XXXXXXXXXX.   If you haven't used transformation
patterns before, create a new partition, put the partition in a new CSS,
put the new calling party transformation in the partition.  Apply the
CSS to the PRI in the Calling Party Transformation Mask CSS, uncheck the
'inherit device pool' setting and then reset the gateway.

Justin

On Wed, Aug 4, 2010 at 10:45 PM, James Buchanan <jbuchanan at ctiusa.com>
wrote:

What does your route list/route group combination look like for the
route pattern?


James Buchanan | Senior Network Engineer | South Region | Presidio
Networked Solutions
12 Cadillac Dr, Suite 130, Brentwood, TN 37027 | jbuchanan at presidio.com
D: 615-866-5729 | F: 615-866-5781 | www.presidio.com
<http://www.presidio.com>
CCIE #25863, Voice




-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Monica Hardy

Sent: Wednesday, August 04, 2010 4:08 PM
To: Robert Kulagowski
Cc: cisco-voip
Subject: Re: [cisco-voip] PRI Issues

No, just a basic MGCP router, nothing else.

I was just on the phone with TAC again.

Looking through all of these debugs it looks like I only have the issue
when the call comes in and then back out the same gateway.  This is hard
to reproduce and I think I am just going to have to take a downtime and
be able to change everything and see what happens.

-Monica

-----Original Message-----
From: Robert Kulagowski [mailto:rkulagow at gmail.com]
Sent: Wednesday, August 04, 2010 1:13 PM
To: Monica Hardy
Cc: cisco-voip
Subject: Re: [cisco-voip] PRI Issues

On Wed, Aug 4, 2010 at 1:48 PM, Monica Hardy <Monica.Hardy at openwave.com>
wrote:
>
> I failed to mention with the 91 put in front of the Calling Party
Number changes the plan
>
> to a Plan:ISDN, Type:National
>
>
>
> instead of a:
>
> Plan:Unknown, Type:Unknown
>
>
>
> I just don't see why and where that 91 is being added to the front of
the Calling Number.

Do you have a num-exp in your router configuration?

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