diff --git a/toxygen/profile.py b/toxygen/profile.py
index 55f83c3..e6cf877 100644
--- a/toxygen/profile.py
+++ b/toxygen/profile.py
@@ -80,6 +80,8 @@ class Profile(contact.Contact, Singleton):
         super(Profile, self).set_status(status)
         if status is not None:
             self._tox.self_set_status(status)
+        else:
+            QtCore.QTimer.singleShot(30000, self.reconnect)
 
     def set_name(self, value):
         if self.name == value:
@@ -787,8 +789,14 @@ class Profile(contact.Contact, Singleton):
         self.status = None
         for friend in self._friends:
             friend.status = None
+            friend.number = self._tox.friend_by_public_key(friend.tox_id)
         self.update_filtration()
 
+    def reconnect(self):
+        if self.status is None:
+            self.reset(self._screen.reset)
+            QtCore.QTimer.singleShot(30000, self.reconnect)
+
     def close(self):
         if hasattr(self, '_call'):
             self._call.stop()
@@ -1116,6 +1124,8 @@ class Profile(contact.Contact, Singleton):
         """User clicked audio button in main window"""
         num = self.get_active_number()
         if num not in self._call and self.is_active_online():  # start call
+            if not Settings.get_instance().audio['enabled']:
+                return
             self._call(num, audio, video)
             self._screen.active_call()
             if video:
@@ -1134,6 +1144,8 @@ class Profile(contact.Contact, Singleton):
         """
         Incoming call from friend. Only audio is supported now
         """
+        if not Settings.get_instance().audio['enabled']:
+            return
         friend = self.get_friend_by_number(friend_number)
         if video:
             text = QtGui.QApplication.translate("incoming_call", "Incoming video call", None,
diff --git a/toxygen/settings.py b/toxygen/settings.py
index 48cb5bf..c7d80f3 100644
--- a/toxygen/settings.py
+++ b/toxygen/settings.py
@@ -34,10 +34,18 @@ class Settings(dict, Singleton):
             super(Settings, self).__init__(Settings.get_default_settings())
             self.save()
         smileys.SmileyLoader(self)
-        p = pyaudio.PyAudio()
         self.locked = False
-        self.audio = {'input': p.get_default_input_device_info()['index'],
-                      'output': p.get_default_output_device_info()['index']}
+        p = pyaudio.PyAudio()
+        input_devices = output_devices = 0
+        for i in range(p.get_device_count()):
+            device = p.get_device_info_by_index(i)
+            if device["maxInputChannels"]:
+                input_devices += 1
+            if device["maxOutputChannels"]:
+                output_devices += 1
+        self.audio = {'input': p.get_default_input_device_info()['index'] if input_devices else -1,
+                      'output': p.get_default_output_device_info()['index'] if output_devices else -1,
+                      'enabled': input_devices and output_devices}
 
     @staticmethod
     def get_auto_profile():