Hello, I am from China, recently in the thinking how through the python and dbus to write a detection call flow problem, because I met such a thing, I and a friend on the phone call later, both forget according to end the call button, result the both sides didn't call but call but keep call the state an hour, so I want to use the automatic detection can dbus call flow module to test whether both sides have to speak, if not, through the lamplight color remind, too bad, I'm not familiar with dbus function, don't know if it is to be automatic detection call flow module, in this for everybody, thanks my English is not so good, by translation software translation, the excuse me