[Serusers] How do I use ser proxy to establish a session through ser between Microsoft Windows Messenger and Ubiquity SoftPhone?

Hi all, I just installed ser on Red Hat linux 8.0 from source code with the insructions given in the INSTALL{without mySQL support}.which is 1)tar xvf ser-0.8.11_src.tar; 2)make; 3)make prefix=/usr/local install I then registered two users from Mic.Windows Messenger and Ubiquity softphone on separate machines{Solaris and windows XP}. It went well while registering. I get 200 OK replies to REGISTER requests. Then I try to call from one user to the other but I can not get a session between these 2 clients through the ser proxy. Ser replies client's INVITE request with "100 trying" and clients waits a while then got 408 "Request timeout" although I can list the registrations with "serctl ul show" and confirm there is 2 registered users. Can anyone help me with this? And also is there any mechanism to watch the incoming and outgoing SIP messages to the ser proxy? and get a detailed logging? __________________________________ Do you Yahoo!? The New Yahoo! Shopping - with improved product search http://shopping.yahoo.com