[SIPForum-discussion] SIP original A-number

[Blake Coleman]

1) PBX needs to send a rediecting number in order to have originating  
number to show.

That's the correct way.


Blake

On Aug 27, 2008, at 9:54 AM, "Jimmy Svensson" <Jimmy.Svensson at tdc.se>  
wrote:

> Hi!
>
> Is there any features in SIP to enable show original A-number? Any  
> special fields that can be used?
>
> We as an operator use SIP-trunking to connect enterprise PBXes and  
> see a demand to display the original A-number when doing an external  
> forwarding. In this case someone calls an extension in the PBX that  
> is forwarded to an external number. A new call leg is created to  
> call this external number, here I want the original A-number to be  
> shows as From but this is not allowed because of A-number-validation  
> in our application server.
>
> Any good solutions/workarounds?
> Thanks!
>
> Jimmy Svensson
> Network Engineer
> Technology Planning
>
> TDC Sverige AB
> Box 799
> SE-191 27 SOLLENTUNA
> Tel +46 8 563 101 23 dir.
> Tel +46 8 519 810 00 vxl.
> Mobil +46 701 81 01 23
> Email jimmy.svensson at tdc.se
> Web tdc.se
>
>
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