Hi, Roland,
I am not sure about your first question.
Regarding your second question, based on my testing with Windows Messenger, it
dynamically
allocates a port for SIP communication when it starts up and keeps using the same port
until it is
shut down.
David
Roland Zheng wrote:
> Hello my friends,
> I have found very strange SIP traffic between two MS messenger when they are
>trying to talk.
> I need you my friends to help me out.
> I am using MS messanger Ver 4.6.
> I use Messenger A to invite Messenger B to join the talk. But in the SIP traffic
>between the two
> messengers, it is
> Messenger B which sends the INVITE SIP message to Messenger A, why is that?
> Other question is: which ports are they using for SIP communications?
>
> Thank you,
>
> Roland
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