Vixen
Penultimate Amazing
The length of the call is once it is connected, not the time it has rung. If a phone is out of service you get a recorded message stating so, and this is the length of the call. Some people will obviously hang up as soon as the message starts.
Similarly this will happen when calls go to voicemail.
Yes and if you look at the logs you'll see they lasted as little as 1 second and 4 seconds.