I have the following doubts
When there is a presence server in the system and each user agent rely on it to
publish its presence information, then the contact address returned by redirect
server for sip commmand INVITE should not be the same as the contact address
for sip command SUBSCRIBE. As the contact address for INVITE should be the
address ua registered while the contact address for SUBSCRIBE should be the
presence server.
But I found redirect server in some sip system does not give different process
to the two different command
Can someone give me the right answer
fanrui
[EMAIL PROTECTED]
2005-03-08
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