Re: A confusion on the structure of vocal

Hi Zhenyu,

Applications such as redirect server, marshal server are call
stateless.  SIP stack is sip transaction statefull.  B2bua is call
statefull.

Marshall server can be used to timestamp start and end of calls.  

Hope this helps

Raghavan



On 6/16/05, Zhenyu Wu <[email protected]> wrote:
> Hello,
> 
> I am analysing the structure of Vocal source code, but there is a confusion, can
> anyone give me any infomation? Thanks in advance.
> 
> We know, in vocal, there are a series of files which are about SIP transaction,
> for example, SipTransactionDB, SipTransactionGC, and so on. Of course, these files
> offer interface between UA and sipstack. But, we know, a SIP server will keep
> millions of calls information in practice, so, I want to know which part of the
> code offers this function which can record the call information, transaction?
> 
> Thanks,
> Regards,
> Zhenyu
> 
> 
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