[Full-Disclosure] Unix SIP client -> MS Messenger?

["Schmehl, Paul L" <pauls@utdallas.edu>]

Is anyone aware of an open source SIP client for *nix that can login
using TLS to a MS Messenger server?  I've been googling for a while, and
I've found lots of stuff for VoIP, but nothing for SIP clients that can
login to a Messenger server.

Paul Schmehl (pauls@utdallas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu/~pauls/ 

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