22 Jul
2004
22 Jul
'04
9:54 a.m.
Hi,
I'm trying to design a virtual sip client for some research that I am
doing, and I am using ser as my sip server. One thing I have noticed is
that when I use something like sipsak to simulate sip messages to the
server, the binding of a user expires rather quickly (a few
seconds...). I get this message:
Binding user,'sip:user@mysipdomain.com:32791' has expired.
Does the sip client need to constantly alert the server that he is still
connected? And if so, what is the client/server structure of these pings?
thanks,
Cory