iCallID = webServiceCallerBody.echo.callService(
  handleResult, "echoString", "Asynchronous Call"); 

iCallID = webServiceCallerBody.echo.callService("echoString", "Asynchronous Call");

oResult = webServiceCallerBody.echo.callService(co, "Synchronous Call");

function createCallOptions(fn, pn, cm, to, un, pw, hd, ep, pr) {
  var o = new Object();
  o.funcName = fn;
  o.portName = pn;
  o.async    = cm;
  o.timeout  = to;
  o.userName = un;
  o.password = pw;
  o.SOAPHeader= hd;
  o.endpoint = ep;
  o.params   = pr;
  return o;
}

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