[cisco-voip] External Call Forwarding

[Malcolm Caldwell]

On Tue, 2009-07-28 at 09:39 -0400, Ryan Ratliff wrote:
> You need to work with your provider to find the best solution as it  
> is them doing the re-writing.

In the past I have talked to the provider, and they have said that we
must send a number that is within our DID range.  As far as I know, all
telco providers in Australia work the same.

What I was hoping is that there might be a way to use redirecting number
to get this to work.  Is this something that is even possible with SNR?

> -Ryan
> 
> On Jul 28, 2009, at 4:15 AM, Malcolm Caldwell wrote:
> 
> So,
> 
> I have a question related but different:
> 
> I am trying out mobility and SNR.
> 
> When calls from internal numbers are presented to my mobile everything
> is fine, and I see the correct calling number.
> 
> When calls from external sources come through, the calling number is
> re-written and appear to come from the main number for our site,
> 
>      EXCEPT
> 
> If a call comes in from an external source which happens to have its
> last 4 digits the same as the last 4 digits of our indial ranges then
> the call appears to come from one of our extensions, even though it did
> not.
> 
> What is happening seems to be: all calls need to come from our indial
> range, otherwise our carrier re-writes the caller-id to our main number.
> Except, they don't check the whole number, just the last 4 digits.
> 
> Which is not a very good solution.
> 
> Is there a way to get this to work in a sensible manor?
> 
> Can redirecting IE be used to enable this to work?
> 
> On Wed, 2009-07-22 at 08:26 -0600, Eric Pedersen wrote:
> > Setting the GW as Ryan suggests changes the calling number in the ISDN
> > setup.  It has nothing to do with the Redirecting IE.
> >
> >
> >
> > From:cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio
> > Fulgenzi
> > Sent: July 22, 2009 07:16
> > To: Ryan Ratliff
> > Cc: cisco-voip at puck.nether.net
> > Subject: Re: [cisco-voip] External Call Forwarding
> >
> >
> >
> >
> > Does this have to be supported by the PSTN provider? We have asked
> > them to remove the filter so we can put any number on the outbound
> > call. Is this enough?
> >
> >
> > ---
> > Lelio Fulgenzi, B.A.
> > Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> > (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > "Bad grammar makes me [sic]" - Tshirt
> >
> >
> > ----- Original Message -----
> > From: "Ryan Ratliff" <rratliff at cisco.com>
> > To: "Daniel" <dan.voip at danofive.id.au>
> > Cc: cisco-voip at puck.nether.net
> > Sent: Wednesday, July 22, 2009 9:02:40 AM GMT -05:00 US/Canada Eastern
> > Subject: Re: [cisco-voip] External Call Forwarding
> >
> > Look at the calling party selection setting on your outbound
> > gateway.  It's probably set to something like Originator currently,
> > where you want something like First (or Last) Redirecting party.
> >
> > -Ryan
> >
> > On Jul 22, 2009, at 3:15 AM, Daniel wrote:
> >
> > Hi All,
> >
> > I have a question about call fordwarding.
> >
> > Scenario is that when an ip phone is forwarded to an external number
> > and another external number calls that ip phone the call is forwarded
> >
> > to the external number. When the forwarded call reaches our outbound
> > gateway the calling number is the external number that started the
> > call and the called number is the external number that which is
> > configured for the CFA. Our carrier does not let us use any other
> > number then that which is in the DID range so they change the calling
> >
> > number to the pilot number of the DID range.
> >
> > Say the DID range is 123456XX (100 Numbers). Extension 5602 is CFA to
> >
> > 0456785856 (external mobile). External number 4555598598 calls
> > 12345602 and it forwards to 0456785856. Currently the calling number
> > that shows up on the mobile phone 0456785856 is12345600 (pilot of
> > DID). I wouldl like the number to be 12345602. Debugging on the
> > gateway shows the calling number as 4555598598 and the called number
> > as 0456785856, our carrier does not recognise the calling number as
> > part of the DID range so changes it to the pilot point.
> >
> > Is there anyway to configure the calling number to be the number of
> > the phone that forwarded the call instead of the original external
> > number?
> >
> > cheers,
> >
> > Daniel
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