[cisco-voip] External Call Forwarding

[Malcolm Caldwell]

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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