> -----Original Message-----
> From: Takumi Ohba [mailto:[EMAIL PROTECTED]]
> Sent: Friday, May 04, 2001 9:02 PM
> To: [EMAIL PROTECTED]
> Subject: Re:[Sip-implementors] billing information
>
> Dear Jonathan,
>
> Thank you for your reply.
>
> You seem to assume that the bill is computed by the billing
> system after cal
> ls, but I think someone on a call path has to have all
> information about the
> call to calculate the billing at the time of releasing the
> call to provide
> the following services:
> - public phone (to indicate how many coins to be dropped)
> - announce of charge
>
> To achieve these services that require computing the bill
> call by call and r
> eal time, isn't SIP a good candidate to provide a container
> to carry some in
> formation?
Announcement of charges requires conveying billing information in the media
stream. Thats handled by some kind of application server that accesses
back-end databases that contain billing data generated by the gateway, in
the means I have described. As such, there is no need for conveying this
information within the SIP message.
The same is true for a public payphone, in the application you describe.
-Jonathan R.
---
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Ave.
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
http://www.jdrosen.net PHONE: (973) 952-5000
http://www.dynamicsoft.com
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