diff --git a/public/call.html b/public/call.html
index b295b76..e9bf4d2 100644
--- a/public/call.html
+++ b/public/call.html
@@ -86,15 +86,31 @@
 
                 </div>
                 <div class="flex text-gray-900 p-2">
-                    <button @click="isMicMuted = !isMicMuted" type="button" :class="[ isMicMuted ? 'bg-red-500 hover:bg-red-400 focus-visible:outline-red-500' : 'bg-green-500 hover:bg-green-400 focus-visible:outline-green-500' ]" class="my-auto inline-flex items-center gap-x-1 rounded-md p-2 text-sm font-semibold text-white shadow-sm focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2">
+
+                    <!-- toggle mic -->
+                    <button @click="isMicMuted = !isMicMuted" type="button" :class="[ isMicMuted ? 'bg-red-500 hover:bg-red-400 focus-visible:outline-red-500' : 'bg-green-500 hover:bg-green-400 focus-visible:outline-green-500' ]" class="my-auto inline-flex items-center gap-x-1 rounded-full p-2 text-sm font-semibold text-white shadow-sm focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2">
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="w-5 h-5">
                             <path d="M7 4a3 3 0 0 1 6 0v6a3 3 0 1 1-6 0V4Z" />
                             <path d="M5.5 9.643a.75.75 0 0 0-1.5 0V10c0 3.06 2.29 5.585 5.25 5.954V17.5h-1.5a.75.75 0 0 0 0 1.5h4.5a.75.75 0 0 0 0-1.5h-1.5v-1.546A6.001 6.001 0 0 0 16 10v-.357a.75.75 0 0 0-1.5 0V10a4.5 4.5 0 0 1-9 0v-.357Z" />
                         </svg>
                     </button>
-                    <button @click="leaveCall" type="button" class="ml-auto my-auto inline-flex items-center gap-x-1 rounded-md bg-red-500 p-2 text-sm font-semibold text-white shadow-sm hover:bg-red-400 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-red-500">
-                        Leave Call
+
+                    <!-- leave call -->
+                    <button @click="leaveCall" type="button" class="ml-auto mr-1 my-auto inline-flex items-center gap-x-1 rounded-full bg-blue-500 p-2 text-sm font-semibold text-white shadow-sm hover:bg-blue-400 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-blue-500">
+                        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="w-5 h-5">
+                            <path fill-rule="evenodd" d="M7.793 2.232a.75.75 0 0 1-.025 1.06L3.622 7.25h10.003a5.375 5.375 0 0 1 0 10.75H10.75a.75.75 0 0 1 0-1.5h2.875a3.875 3.875 0 0 0 0-7.75H3.622l4.146 3.957a.75.75 0 0 1-1.036 1.085l-5.5-5.25a.75.75 0 0 1 0-1.085l5.5-5.25a.75.75 0 0 1 1.06.025Z" clip-rule="evenodd" />
+                        </svg>
+                        <span>Leave Call</span>
                     </button>
+
+                    <!-- hangup call -->
+                    <button @click="hangupCall(audioCall.hash)" type="button" class="my-auto inline-flex items-center gap-x-1 rounded-full bg-red-500 p-2 text-sm font-semibold text-white shadow-sm hover:bg-red-400 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-red-500">
+                        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="w-5 h-5 rotate-[135deg] translate-y-0.5">
+                            <path fill-rule="evenodd" d="M2 3.5A1.5 1.5 0 0 1 3.5 2h1.148a1.5 1.5 0 0 1 1.465 1.175l.716 3.223a1.5 1.5 0 0 1-1.052 1.767l-.933.267c-.41.117-.643.555-.48.95a11.542 11.542 0 0 0 6.254 6.254c.395.163.833-.07.95-.48l.267-.933a1.5 1.5 0 0 1 1.767-1.052l3.223.716A1.5 1.5 0 0 1 18 15.352V16.5a1.5 1.5 0 0 1-1.5 1.5H15c-1.149 0-2.263-.15-3.326-.43A13.022 13.022 0 0 1 2.43 8.326 13.019 13.019 0 0 1 2 5V3.5Z" clip-rule="evenodd" />
+                        </svg>
+                        <span>Hang Up</span>
+                    </button>
+
                 </div>
             </div>
         </div>
@@ -420,8 +436,11 @@
                     // reload calls list
                     await this.updateCallsList();
 
+                    // disconnect websocket
+                    this.ws.close();
+
                 } catch(e) {
-                    alert("failed to hangup call");
+                    // ignore error hanging up call
                 }
 
             },