public long getIdleTime() {
        return idleTime;
    }
Returns the max time (in millis) that a session can remain open without
receiving any packets. After this time period elapses, the session is
automatically closed. 

@return the max idle time (in millis).
xmppserver/src/main/java/org/jivesoftware/openfire/mediaproxy/MediaProxy.java