[SIPForum-discussion] Calling number in IAM

[Dasu B]

Its all depend on clien to client,If some client dont want to show there CPN
then its hide on switch end.Anyway the call is terminating on DN basis.
Thanks
Dasu

On Mon, Jul 20, 2009 at 7:22 AM, arvind shukla <
arvind.shukla2007 at yahoo.co.in> wrote:

>
> Hi All,
>
> I just want to know that why calling number in not madatory in IAM message
> of  ISUP.And if the calling no. is not mandatory than how other pary will
> know calling's party number?
>
>
> Thanks in advance.
>
> Arvind.
>
>
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