So that means that a B2BUA modifies the dialog ID.
user A-> B2BUA...one dialog
B2BUA->B ..another dialog

So when response from User B is send to A, A gets
response on the same dialog ID or on a different
Dialog ID.

Also, can somebody explain 3rd party call control by
B2BUA?

--- Annadanesh  Sankadal <[EMAIL PROTECTED]>
wrote:

> 100 trying is a response..typed it by mistake..
> 
> -danesh
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Annadanesh
> Sankadal
> Sent: Thursday, April 26, 2007 9:20 PM
> To: 'varun'; [email protected]
> Subject: Re: [Sip-implementors] B2BUA Queries
> 
> Hi,
> 
> 1> I am not clear about the differences between a
> B2BUA and stateful proxy.Can somebody explain the
> difference?
> 
> --- AFAIK, B2BUA  basically is used to hide the
> network topology.
>     It reformulates the requests it gets. If u have
> 2 Endpoints ( say EP1   
>     and EP2 ) and a B2BUA each of the endpoinds will
> actually talk to B2BUA.
> 
>     That means you will have 2 call-legs i.e
> EP1-->B2BUA and B2B--->EP2.
> 
>     
> 2>Can a stateful proxy generate requests on its
> own...what kind of requests?
> 
> --- Yes..100 Trying is the classic example for this.
> And also Cancel
> requests will be generated when it forks the call to
> multiple location
> 
> -danesh
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of varun
> Sent: Thursday, April 26, 2007 6:29 PM
> To: [email protected]
> Subject: [Sip-implementors] B2BUA Queries
> 
> Hi,
> 1> I am not clear about the differences between a
> B2BUA and stateful proxy.Can somebody explain the
> difference?
> 
> 2>Can a stateful proxy generate requests on its
> own...what kind of requests?
> 
> 3> what is meant by third pary call control..any
> examples?
> How does a B2BUA support that!
> 
> Thanks
> Naveen
> 
> 
> 
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