Call pingCall = (Call) pingService.createCall();
SandeshaContext pingCtx = new SandeshaContext();
pingCtx.setAcksToURL("http://127.0.0.1:" + defaultClientPort + "/axis/services/RMService");
pingCtx.setReplyToURL("http://127.0.0.1:" + defaultClientPort + "/axis/services/RMService");
pingCtx.initCall(pingCall, targetURL, "urn:wsrm:Ping", Constants.ClientProperties.IN_ONLY);
pingCall.setOperationName(new QName("http://tempuri.org/", "ping"));
pingCall.addParameter("arg2", XMLType.XSD_STRING, ParameterMode.IN);
//----------------------PING------------------------------------------------