[SIPForum-discussion] When to bill a SIP Call ?

[Sam]

Hello,


Some start billing after 04 and some start billing after 05 depends on the
mechanism they are following.


Regards
Sam


On Thu, Jun 3, 2010 at 8:54 AM, Ahmed Faisal Hassan <bappi22 at yahoo.com>wrote:

> Hi,
>
> Consider a very common scenario of a SIP call from A to B.
>
>
> A                                        B
>
> 01        INVITE
>
>      ----------------------------------->
>
> 02       100 TRYING
>
>     <------------------------------------
>
> 03       180 Ringing
>
>     <------------------------------------
> 04       200OK With SDP
>
>    <----------------------------------------
>
> 05       ACK
>
>    ------------------------------------------>
>
> 06             BYE
>
>    <------------------------------------------
>
> 07           ACK
>
>    ------------------------------------------->
>
>
> I need to know
>
> 1. where exactly 'A' party will start billing.   After 04 or 05?
>
> 2. where exactly 'B party will start billing.   After 04 or 05?
>
>
> Thanks
>
>
>
>
>
>
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