@Test
  public void blindTransfer() {
    // initialize call managers if need be
    addProvisionedLines();

    String callHandle = callMgr1.createCall(lineHandle1, uriA);
    assertTrue(callHandle != null);
    callMgr1.placeCall(callHandle, MediaSourceType.MEDIA_SOURCE_DUMMY, null, false, 100, 100);
    boolean ret =
        waitForCallEvent(callHandle, EventCode.CALL_CONNECTED, EventReason.CALL_NORMAL, 15000);
    assertTrue(ret);

    callMgr1.blindTransfer(callHandle, uriB);
    ret =
        waitForCallEvent(
            callHandle, EventCode.CALL_TRANSFER, EventReason.CALL_TRANSFER_AS_CONTROLLER, 15000);
    assertTrue(ret);

    ret =
        waitForCallEvent(
            callHandle, EventCode.CALL_DISCONNECTED, EventReason.CALL_DISCONNECT_LOCAL, 15000);
    assertTrue(ret);
  }