[Asterisk-biz] CDR mediation

[alex at pilosoft.com]

On Mon, 16 May 2005, Chris Ochs wrote:

> > On Mon, 16 May 2005, Chris Ochs wrote:
> >
> >> I'm curious how CDR mediation is done if you are connecting to
> >> someone like L3/XO/Qwest via SIP.  Do upstream proxies pass the BYE
> >> messages back down the proxy chain so you get a full CDR?  Or is
> >> there some sort of API you query that gives you call records straight
> >> from a SBC?
> > You get the BYE messages. Obviously, how else would you know to signal
> > the caller that the call needs to be terminated.
> >
> I was 99% sure on this, but after skimming the 10+ RFC's dealing with
> SIP I wanted to make sure.  Did they really have to make SIP that
> complicated?  Or maybe it's just overly verbose.
Could be worse, could have been h323 ;)

ITU documents << IETF documents

-alex