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Unread 09-12-2007, 10:00 PM   #9
martin
 
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Hello André,

I assure you the PSTN access numbers are working for the vast majority of end points that are SIP compliant. As such, there is nothing for us to "fix".

As I mentioned in my post:

Quote:
the solution is to allow ACKs from all of the end points you want to communicate with. Take another look at the RFC diagram I posted and you will see that ACKs come to you *directly* from the end point and not via proxies.
It should be noted that the logs show these numbers are successfully used 1000's of times per day. In fact we use them for conference calls with clients and never have problems.

You need to fix your end point to accept the ACKs
.
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