Hi Ravi,
Thank you for the response. I am trying to implement the CDF and CGF as
defined by 3GPP with some tweaks.
What I am interested in is how to relate the different sessions created by a
B2BUA to a single call? Take the example of Pre-paid service where the
prepaid application server acts as a B2BUA, creating sessions for playing
announcements, session for connecting to party B etc. All the above sessions
that get created should be related to the same call.  Any insight into how
Billing is done in such scenarios will be appreciated.
Thanks,
Partha.

On 7/3/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]>
wrote:
>
>
> Hi Partha,
>
> The answer depends on the type of the network you are talking about.
> If your billing system has intelligence to correlate the CDRs from
> multiple elements
> to generate a consolidated usage information, more than one element can
> generate CDRs.
> If not, there can be a central control element which alone is generating
> CDRs.
>
> Regards,
> Ravi.
>
> --
>
> Ravishankar. G. Shiroor
> Wipro Technologies, Bangalore.
>
> [EMAIL PROTECTED]
> --
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf
> > Of Partha Dukka
> > Sent: Friday, June 30, 2006 12:12 PM
> > To: Neeraj Chowdhury
> > Cc: [email protected]
> > Subject: Re: [Sip-implementors] B2BUA //
> >
> > Hi All,
> > Well I needed to get some clarification about billing when
> > there is a B2BUA involved. In this case, for the same call,
> > there are multiple sessions involved. Should CDRs be
> > generated for every session created by each element involved?
> > Thanks,
> > Partha
> >
> >
> > On 6/26/06, Neeraj Chowdhury <[EMAIL PROTECTED]> wrote:
> > >
> > > Hi All
> > >
> > > I want to know about the B2bua that how it is utilized to bill SIP
> > > calls and how a prepaid billing system is implemented over it // If
> > > there is any relevant doc or if anybody has the
> > information, plz help
> > > //
> > >
> > > --
> > > With thanks
> > > Neeraj Chowdhury
> > >
> > > "To err is human, to find a bug, Devine."
> > > _______________________________________________
> > > Sip-implementors mailing list
> > > [email protected]
> > > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
> > >
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> >
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