[Serusers] Re[5]: [Serhelp] third part session control

Igor Vasiliev igorvira at mail.ru
Wed Dec 4 15:57:00 CET 2002

> At 02:21 PM 12/4/2002, Igor Vasiliev wrote:
> >> You can try to use some 
> >> existing B2BUA implementation. You can use SER along with
> >> B2BUA too -- they interact using SIP. You just need to set
> >> SIP routing accordingly to your scenario.
> >Problem of my understanding is here.
> >How should I redirect requests?
> Requests are redirected in SER using sl_send_reply with 
> a 3xx code in it. That has nothing to do with B2BUAs, though.
> You can proxy requests too -- again, how you route them
> depends on what you want to accomplish. For example, you
> can look at URIs and route all requests with nummerical
> usernames to a B2BUA, whereas everything else will be
> routed using a user location database. There are really
> no limits on what your routing policy may be.
Does it mean that some request(e.g. depends on caller name)
I can redirect to B2BUA?

Is such scenario correct?
caller --->SER --->B2BUA ----> callee

> >Could I use B2BUA without SER(and without any SIP proxy)?
> Yes. There is BTW many other things which you can do without
> any SIP proxy -- skiing, playing chess
I just mean, could caller send INVITE directly to B2BUA?

Igor Vasiliev

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