public void callAsync( byte channel, short objId, short procId, Object... args ) {
        
        RpcCallMessage msg = new RpcCallMessage(-1, channel, objId, procId, args);
        if( log.isLoggable(Level.FINEST) ) {
            log.log(Level.FINEST, "Sending:{0}  on channel:{1}", new Object[]{msg, channel});
        }        
        connection.send(channel, msg);        
    }
Performs a remote procedure call with the specified arguments but does
 not wait for a response.  The outbound message is sent on the specified channel.
 There is no inbound response message.
jme3-networking/src/main/java/com/jme3/network/service/rpc/RpcConnection.java