connection_iface = dbus.Interface(proxy_obj, 'org.freedesktop.Telepathy.Connection')

sleep (2)

channels = connection_iface.ListChannels()


obj_path, iface_name, handle_type, handle = channels[2]
chan_obj = dbus_iface.RequestChannel(iface_name,handle_type,handle, True)
chan_iface = dbus.Interface(chan_obj, 'org.freedesktop.Telepathy.Channel.Interface.Group')

a = chan_iface.GetAllMembers()

print a