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Revision 4 (Tijmen de Mes, 05/03/2012 11:43 PM) → Revision 5/10 (Adrian Georgescu, 05/08/2012 05:38 PM)

h1. Description  

 This library implements Message Session Relay Protocol (MSRP).    MSRP is defined in RFC 4975. The relay extension that can be used for NAT traversal purposes is defined in RFC 4976. 

 Message Session Relay Protocol (MSRP) is a protocol for transmitting a series of related instant messages in the context of a session. Message sessions are treated like any other media stream when set up via a rendezvous or session creation protocol such as the Session Initiation Protocol (SIP). 

 A series of related instant messages between two or more parties can be viewed as part of a "message session", that is, a conversational exchange of messages with a definite beginning and end. This is in contrast to individual messages each sent independently. Messaging schemes that track only individual messages can be described as "page-mode" messaging, whereas messaging that is part of a "session" with a definite start and end is called "session-mode" messaging. 

 Page-mode messaging is enabled in SIP via the SIP MESSAGE method, as defined in RFC 3428. Session-mode messaging has a number of benefits over page-mode messaging, however, such as explicit rendezvous, tighter integration with other media-types, direct client-to-client operation, and brokered privacy and security. 

 h2. Tar Archives 


 The software is available as a tar archive at: 

 http://download.ag-projects.com/SipClient/ 


 h2. Debian Packages 


 Install the AG Projects debian software signing key: 

 <pre> 
 wget http://download.ag-projects.com/agp-debian-gpg.key 
 sudo apt-key add agp-debian-gpg.key 
 </pre> 

 Add these lines to /etc/apt/sources.list: 


 h3. Debian Stable (Squeeze) 


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/debian stable main 
 deb-src http://ag-projects.com/debian stable main 
 </pre> 


 h3. Debian Unstable (Sid) 


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/debian unstable main 
 deb-src http://ag-projects.com/debian unstable main 
 </pre> 



 h3. Ubuntu Lucid (10.04)   


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/ubuntu lucid main 
 deb-src http://ag-projects.com/ubuntu lucid main 
 </pre> 


 h3. Ubuntu Maverick (10.10)  


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/ubuntu maverick main 
 deb-src http://ag-projects.com/ubuntu maverick main 
 </pre> 


 h3. Ubuntu Natty (11.04)  


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/ubuntu natty main 
 deb-src http://ag-projects.com/ubuntu natty main 
 </pre> 


 h3. Ubuntu Oneiric (11.10)  


 <pre> 
 # AG Projects software 
 deb 	 http://ag-projects.com/ubuntu oneiric main 
 deb-src http://ag-projects.com/ubuntu oneiric main 
 </pre> 

 Install the software: 

 <pre> 
 sudo apt-get update 
 sudo apt-get install python-msrplib 
 </pre> 


 h3. Source Code 

 The source code is managed using "darcs":http://darcs.net version control tool. The darcs repository can be fetched with: 

 <pre> 
 darcs get http://devel.ag-projects.com/repositories/python-msrplib 
 </pre>