Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/papyon/client.py", line 490, in session_created
    self._dispatch("on_invite_webcam", session, producer)
  File "/usr/lib/pymodules/python2.6/papyon/event/__init__.py", line 44, in _dispatch
    if event_handler._dispatch_event(name, *args):
  File "/usr/lib/pymodules/python2.6/papyon/event/__init__.py", line 65, in _dispatch_event
    handler(*params)
  File "/usr/lib/python2.6/dist-packages/butterfly/connection.py", line 330, in on_invite_webcam
    call=session)
  File "/usr/lib/python2.6/dist-packages/telepathy/server/channelmanager.py", line 106, in channel_for_props
    return self.create_channel_for_props(props, signal, **args)
  File "/usr/lib/python2.6/dist-packages/telepathy/server/channelmanager.py", line 93, in create_channel_for_props
    self._conn.add_channels([channel], signal=signal)
  File "/usr/lib/python2.6/dist-packages/telepathy/server/conn.py", line 196, in add_channels
    self.signal_new_channels(signal_channels)
  File "/usr/lib/python2.6/dist-packages/telepathy/server/conn.py", line 200, in signal_new_channels
    for channel in channels])
  File "/usr/lib/python2.6/dist-packages/telepathy/server/channel.py", line 107, in get_props
    self._prop_getters[iface][prop]()
KeyError: 'org.freedesktop.Telepathy.Channel.Type.StreamedMedia'