[Pidgin] #48: Make SIP/SIMPLE work with Microsoft Live Communication Server

[Pidgin]

#48: Make SIP/SIMPLE work with Microsoft Live Communication Server
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  Reporter:  MarkDoliner  |       Owner:  shulman      
      Type:  patch        |      Status:  new          
  Priority:  minor        |   Milestone:  2.3.0        
 Component:  libpurple    |     Version:  2.0          
Resolution:               |    Keywords:  MS LCS SIMPLE
   Pending:  0            |  
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Comment (by seanmil):

 I just tested the code at git://repo.or.cz/siplcs.git#fixer and #mob and
 successfully established a connection.  I saw my Buddy List populate with
 users, however they all showed "Offline".

 When watching a packet capture it looks like the initial sign-on works as
 expected, but then it tries to do a "SUBSCRIBE" operation and I get back
 "407 Proxy Authentication Required"

 When I watch a similar login from Office Communicator it shows that it is
 using the Authentication mechanism Kerberos instead of NTLM.  I was
 wondering if perhaps our administrators have disabled NTML support on the
 server (even though it seems to offer it).

 Is there any support in SIPLCS for Kerberos or might I be out of luck?

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Ticket URL: <http://developer.pidgin.im/ticket/48#comment:70>
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