Re: [Sip] Draft: draft-holmberg-sip-keep-00.txt

[jh at tutpro.com (Juha Heinanen)]

Christer Holmberg writes:

 > I agree with Hadriel. The idea is to let the client do it, so that
 > the proxy doesn't need to handle it, e.g. by providing short
 > registration refresh timers etc in order to make sure the NAT
 > bindings stay open.

christer,

could you then, please, restrict the scope of your draft to udp
connected UAs, because if they are tcp connected, clients can keep
their nat binding open by simply sending double CRLFs.  if they get back
single CRLF, then fine, but if they don't, it is fine too.

-- juha
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