From: Jason Fischl <[EMAIL PROTECTED]>

   To summarize, there are 3 options:
   1) client publishes all state changes only
   2) optimization for servers that maintain call state and clients only  
   need to publish when seizing a line. This requires a mechanism for the  
   server to signal to the client that it does not need to do publish all  
   state changes.
   3) clients only publish for line seize.

   Please comment on these 3 options. The current draft describes option 2.

Clearly 2 is the best, if a suitable mechanism can be defined.

3 is totally unworkable in a system that has a classic (that is,
non-call-stateful, or "RFC 3261") proxy.  Since sipX has a
non-call-stateful proxy, I find it undesirable.

Dale
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