diff --git a/src/common/gajim.py b/src/common/gajim.py
index 68acdd0f8bc0908d6f8d87925936e7806c0d28eb..c06938ec0a9fc671be9cbb1382d4b042b24887c8 100644
--- a/src/common/gajim.py
+++ b/src/common/gajim.py
@@ -166,8 +166,17 @@ HAVE_LATEX = False
 
 HAVE_FARSIGHT = True
 try:
-    __import__('farsight')
-    __import__('gst')
+    import farsight
+    import gst
+    import glib
+    try:
+        conference = gst.element_factory_make('fsrtpconference')
+        session = conference.new_session(farsight.MEDIA_TYPE_AUDIO)
+        del session
+        del conference
+    except glib.GError:
+        HAVE_FARSIGHT = False
+
 except ImportError:
     HAVE_FARSIGHT = False
 gajim_identity = {'type': 'pc', 'category': 'client', 'name': 'Gajim'}
diff --git a/src/features_window.py b/src/features_window.py
index 9ba4dd47ae345769a634d1ad8439a0d36e671e64..58c4a80afc92f1173de163d9e1c5a166bda1418c 100644
--- a/src/features_window.py
+++ b/src/features_window.py
@@ -47,66 +47,66 @@ class FeaturesWindow:
 
         # {name: (available_function, unix_text, windows_text)}
         self.features = {
-                _('SSL certificate validation'): (self.pyopenssl_available,
-                        _('A library used to validate server certificates to ensure a secure connection.'),
-                        _('Requires python-pyopenssl.'),
-                        _('Requires python-pyopenssl.')),
-                _('Bonjour / Zeroconf'): (self.zeroconf_available,
-                        _('Serverless chatting with autodetected clients in a local network.'),
-                        _('Requires python-avahi.'),
-                        _('Requires pybonjour (http://o2s.csail.mit.edu/o2s-wiki/pybonjour).')),
-                _('Command line'): (self.dbus_available,
-                        _('A script to control Gajim via commandline.'),
-                        _('Requires python-dbus.'),
-                        _('Feature not available under Windows.')),
-                _('OpenGPG message encryption'): (self.gpg_available,
-                        _('Encrypting chat messages with gpg keys.'),
-                        _('Requires gpg and python-gnupg (http://code.google.com/p/python-gnupg/).'),
-                        _('Requires gpg.exe in PATH.')),
-                _('Network-manager'): (self.network_manager_available,
-                        _('Autodetection of network status.'),
-                        _('Requires gnome-network-manager and python-dbus.'),
-                        _('Feature not available under Windows.')),
-                _('Session Management'): (self.session_management_available,
-                        _('Gajim session is stored on logout and restored on login.'),
-                        _('Requires python-gnome2.'),
-                        _('Feature not available under Windows.')),
-                _('Password encryption'): (self.some_keyring_available,
-                        _('Passwords can be stored securely and not just in plaintext.'),
-                        _('Requires gnome-keyring and python-gnome2-desktop, or kwalletcli.'),
-                        _('Feature not available under Windows.')),
-                _('SRV'): (self.srv_available,
-                        _('Ability to connect to servers which are using SRV records.'),
-                        _('Requires dnsutils.'),
-                        _('Requires nslookup to use SRV records.')),
-                _('Spell Checker'): (self.speller_available,
-                        _('Spellchecking of composed messages.'),
-                        _('Requires libgtkspell.'),
-                        _('Feature not available under Windows.')),
-                _('Notification'): (self.notification_available,
-                        _('Passive popups notifying for new events.'),
-                        _('Requires python-notify or instead python-dbus in conjunction with notification-daemon.'),
-                        _('Feature not available under Windows.')),
-                _('Automatic status'): (self.idle_available,
-                        _('Ability to measure idle time, in order to set auto status.'),
-                        _('Requires libxss library.'),
-                        _('Requires python2.5.')),
-                _('LaTeX'): (self.latex_available,
-                        _('Transform LaTeX expressions between $$ $$.'),
-                        _('Requires texlive-latex-base and (dvipng or ImageMagick). You have to set \'use_latex\' to True in the Advanced Configuration Editor.'),
-                        _('Requires texlive-latex-base and (dvipng or ImageMagick) (All is in MikTeX). You have to set \'use_latex\' to True in the Advanced Configuration Editor.')),
-                _('End to End message encryption'): (self.pycrypto_available,
-                        _('Encrypting chat messages.'),
-                        _('Requires python-crypto.'),
-                        _('Requires python-crypto.')),
-                _('RST Generator'): (self.docutils_available,
-                        _('Generate XHTML output from RST code (see http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html).'),
-                        _('Requires python-docutils.'),
-                        _('Requires python-docutils.')),
-                _('Audio / Video'): (self.farsight_available,
-                        _('Ability to start audio and video chat.'),
-                        _('Requires python-farsight.'),
-                        _('Feature not available under Windows.')),
+            _('SSL certificate validation'): (self.pyopenssl_available,
+                _('A library used to validate server certificates to ensure a secure connection.'),
+                _('Requires python-pyopenssl.'),
+                _('Requires python-pyopenssl.')),
+            _('Bonjour / Zeroconf'): (self.zeroconf_available,
+                _('Serverless chatting with autodetected clients in a local network.'),
+                _('Requires python-avahi.'),
+                _('Requires pybonjour (http://o2s.csail.mit.edu/o2s-wiki/pybonjour).')),
+            _('Command line'): (self.dbus_available,
+                _('A script to control Gajim via commandline.'),
+                _('Requires python-dbus.'),
+                _('Feature not available under Windows.')),
+            _('OpenGPG message encryption'): (self.gpg_available,
+                _('Encrypting chat messages with gpg keys.'),
+                _('Requires gpg and python-gnupg (http://code.google.com/p/python-gnupg/).'),
+                _('Requires gpg.exe in PATH.')),
+            _('Network-manager'): (self.network_manager_available,
+                _('Autodetection of network status.'),
+                _('Requires gnome-network-manager and python-dbus.'),
+                _('Feature not available under Windows.')),
+            _('Session Management'): (self.session_management_available,
+                _('Gajim session is stored on logout and restored on login.'),
+                _('Requires python-gnome2.'),
+                _('Feature not available under Windows.')),
+            _('Password encryption'): (self.some_keyring_available,
+                _('Passwords can be stored securely and not just in plaintext.'),
+                _('Requires gnome-keyring and python-gnome2-desktop, or kwalletcli.'),
+                _('Feature not available under Windows.')),
+            _('SRV'): (self.srv_available,
+                _('Ability to connect to servers which are using SRV records.'),
+                _('Requires dnsutils.'),
+                _('Requires nslookup to use SRV records.')),
+            _('Spell Checker'): (self.speller_available,
+                _('Spellchecking of composed messages.'),
+                _('Requires libgtkspell.'),
+                _('Feature not available under Windows.')),
+            _('Notification'): (self.notification_available,
+                _('Passive popups notifying for new events.'),
+                _('Requires python-notify or instead python-dbus in conjunction with notification-daemon.'),
+                _('Feature not available under Windows.')),
+            _('Automatic status'): (self.idle_available,
+                _('Ability to measure idle time, in order to set auto status.'),
+                _('Requires libxss library.'),
+                _('Requires python2.5.')),
+            _('LaTeX'): (self.latex_available,
+                _('Transform LaTeX expressions between $$ $$.'),
+                _('Requires texlive-latex-base and (dvipng or ImageMagick). You have to set \'use_latex\' to True in the Advanced Configuration Editor.'),
+                _('Requires texlive-latex-base and (dvipng or ImageMagick) (All is in MikTeX). You have to set \'use_latex\' to True in the Advanced Configuration Editor.')),
+            _('End to End message encryption'): (self.pycrypto_available,
+                _('Encrypting chat messages.'),
+                _('Requires python-crypto.'),
+                _('Requires python-crypto.')),
+            _('RST Generator'): (self.docutils_available,
+                _('Generate XHTML output from RST code (see http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html).'),
+                _('Requires python-docutils.'),
+                _('Requires python-docutils.')),
+            _('Audio / Video'): (self.farsight_available,
+                _('Ability to start audio and video chat.'),
+                _('Requires python-farsight and gstreamer-plugins-bad.'),
+                _('Feature not available under Windows.')),
         }
 
         # name, supported
diff --git a/src/gajim.py b/src/gajim.py
index e87349f9d32ef654627f7da2a1346760eb231e88..9be1cd8dd69be8fda8968004544bb51f348b6966 100644
--- a/src/gajim.py
+++ b/src/gajim.py
@@ -40,7 +40,8 @@ demandimport.enable()
 demandimport.ignore += ['gobject._gobject', 'libasyncns', 'i18n',
     'logging.NullHandler', 'dbus.glib', 'dbus.service',
     'command_system.implementation.standard', 'OpenSSL.SSL', 'OpenSSL.crypto',
-    'common.sleepy', 'DLFCN', 'dl', 'xml.sax', 'xml.sax.handler', 'ic']
+    'common.sleepy', 'DLFCN', 'dl', 'xml.sax', 'xml.sax.handler', 'ic',
+    'farsight']
 
 import os
 import sys