24 feb 2009 kl. 10.28 skrev Iñaki Baz Castillo:
>
> It's very "cool" to say that we don't need B2BUA but proxies, but I
> would really like to know a *real* case of two independent companies
> interconnected just with SIP proxies.

I think the truth is that in the case of enterprise PBXs we need both.  
The SIP proxy, which only handles signalling, scales. Anything that  
handles media, like most b2bua's, doesn't scale easily.

/O
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