<input id="phone_number"  />
    <button id="changeMaskBtn" class="k-button">Change mask</button>
    
    <script>
      $(document).ready(function() {
        $("#phone_number").kendoMaskedTextBox({
          mask: "(999) 000-0000"
        });

        $("#changeMaskBtn").on("click", function() {
          var maskedTextBox = $("#phone_number").getKendoMaskedTextBox();
          maskedTextBox.setOptions({
            mask: "0000 0000 0000 0000"
          });
        });

      });
    </script>