code: private void addPostParams(final Request request) {
          if (muted != null) {
              request.addPostParam("Muted", muted.toString());
          }
  
          if (hold != null) {
              request.addPostParam("Hold", hold.toString());
          }
  
          if (holdUrl != null) {
              request.addPostParam("HoldUrl", holdUrl.toString());
          }
  
          if (holdMethod != null) {
              request.addPostParam("HoldMethod", holdMethod.toString());
          }
  
          if (announceUrl != null) {
              request.addPostParam("AnnounceUrl", announceUrl.toString());
          }
  
          if (announceMethod != null) {
              request.addPostParam("AnnounceMethod", announceMethod.toString());
          }
  
          if (waitUrl != null) {
              request.addPostParam("WaitUrl", waitUrl.toString());
          }
  
          if (waitMethod != null) {
              request.addPostParam("WaitMethod", waitMethod.toString());
          }
  
          if (beepOnExit != null) {
              request.addPostParam("BeepOnExit", beepOnExit.toString());
          }
  
          if (endConferenceOnExit != null) {
              request.addPostParam("EndConferenceOnExit", endConferenceOnExit.toString());
          }
  
          if (coaching != null) {
              request.addPostParam("Coaching", coaching.toString());
          }
  
          if (callSidToCoach != null) {
              request.addPostParam("CallSidToCoach", callSidToCoach);
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to