pidgin-sipe offers a SIP/Simple protocol implementation for connect to LCS/OCS.
Pidgin (before called Gaim) is a multiprotocol instant messenger for Linux (and other plataforms). SIP is another popular protocol used for VoIP, and it also has an IM (Instant Messenger) analog in the form of SIP/SIMPLE. The SIP/SIMPLE is an open protocol with a documented specification. The Microsoft Live Communication Server (LCS) has support very similar the Sip/Simple protocol (indeed is based 100% on it), but it has non standard especifications classical for a MSN product, is an extend version SIP.
Developer comments
For that, I implemented a Pidgin Plug-in for LCS called SIPE (SIP Exchange). I taked the SIP/Simple implementation developed by Thomas Butter for Pidgin. Thomas had success with the NTLM authentication problem for LCS (at least one part), but I found the LCS SIP especification is very incompatible. The original SIP/Simple code needed a lot changes (broken the original especification). Then I decided to add that support building a Pidgin plug-in called SIPE (SIP Exchange).
Why the LCS? Because this Communications server is extensively used on enterprise environments (like intranets, coorporative subnets, etc) like Novell-wise or Lotus-SameTime. But the most important reason: I need this support for my job, because I (always) use Linux.
Product's homepage
Requirements:
· Pidgin
What's New in This Release: [ read full changelog ]
· Fixed bug #2800325 for crash if wrong IP manually typed into Pidgin.
· New Security Framework: dedicated to use plug-able security mechanisms.
· Added Kerberos/NTLM SSPI for Windows
· Added Kerberos MIT for Linux
· Fixed the NTLM native implementation for Linux
· New options on Advanced tab: Use Kerberos and Single Sign-on (for both kerberos implements).
· Fixed the --with-krb5 compilation option. Now pidgin-sipe can be compiled with krb5 support again.
· To send presence subscribe requests to poolFqdn servers
· Record-Route header can contain multiple routes. For CHOWA clients.
· Fixed 2 bugs with INVITE messages from incoming CHOWA clients.
· FreeBSD compatibility
· Fixed for 'same conversation ID' issue
· Fixed for Reuters(LCS2005) frequent disconnects
· Fixed many warnings on compilation.
· Fixed many potential memory leaks. Thank you Stefan
· Fixed I18n support and sync from launchpad
· Added 'it' and 'ru' translations
· Updated 'zh', 'cs', 'es' and 'nb' translations.
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