beg my pardon, but I don't really think that one needs a session border control, particularly 
becasue of the reasons related to bad scalability, bandwidth waste and latency. Sinle point
of failure is another concern.

-jiri

At 02:20 PM 8/26/2005, Carlo wrote:

  

What you need is a session border control.
Try this link from Jasomi : http://www.jasomi.com/ppfes.html
or this from Kagoor ( now Juniper ) http://www.juniper.net/customers/support/products/vf1000.jsp


Federico Giannici ha scritto:

    

Considering that we DON'T want to use an RTP Proxy (bad scalability, waste of bandwidth and longer delays), is there any solution to the "hairpin" problems?

Are there any "boxes" that look at the SIP messages and short-circuit calls from and to the local network?


Thanks.
      

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Jiri Kuthan            http://iptel.org/~jiri/