[Freeswitch-users] sipsak or other tool for monitoring a sip connection / server

Hi, Some of you know or use sipsak for monitoring a sip server? I'm using it and is quite nice, it sends a sip-options to the server and prints you the returning message, it also gives you the time spent in the operation. But now i'm facing a problem is to be able to force a bind address in the message that is sent to the server, do you know if is possible and how? I check also sip-options (util in debian packages: sofia-sip-bin) that gives me that option, but in the returning message i don't have the time spent... If you know another way to send a options message to a server, having the return response message and time spend, most appreciated. Thanks, António