Dean Willis writes:

 > The edge proxy and registrar might collude to set a short registration  
 > interval if they don't know the UA supports keepalives and they know  
 > the UA is one the wrong side of a NAT.
 
this has been discussed at least three times already.  in my opinion, it
is UAs responsibility to choose a short reg int if it behind nat and
does not support CRLF keepalives.

one more think.  if there is an edge proxy between UA and registrar,
isn't it the edge proxy that processes the keep param and not the
registrar?

-- juha
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