The Communication Manager Messaging embedded application comes packaged as part of the solution templates that are used to install Communication Manager. There is no hardware requirement for the Communication Manager Messaging embedded application since it is installed as part of the solution template for Communication Manager.
The Communication Manager solution template is installed after installing Avaya Aura®System Platform software on an S8800 Server, S8300D Server, S8510 Server, Dell™ PowerEdge™ R610, or an HP ProLiant DL360 G7 1U. The System Platform can host one or more virtual machines.
Integration of the Communication Manager Messaging application with Communication Manager happens through the H.323/Q.Sig protocol or through the SIP protocol.Communication Manager supports Session Initiation Protocol (SIP) endpoints if you choose the integration protocol as SIP.