I have Verizon FIOS phone service with the Verizon voicemail service disabled (my family does not want to use VZ voicemail for several reasons).
Since I have switched to FIOS I have noticed that my answering machine now records about 3 seconds of silence, then a 'click', and finally about 3 seconds of dial tone for every hang up call. I don't need to explain how annoying it is to have to listen to all of these non-messages, just in case someone did leave a message.
Testing I performed shows that these callers are hanging up during the message, but before the answering machine 'beep', not after the 'beep' while the machine was recording.
I had another commerical VOIP service for years prior to this, so I don't know if my phone did the same thing on the old copper system switches, but it didn't do it on the VOIP service.
Any ideas if there are remedies to this? I am afraid to buy another answering machine and get the same result.