I haven't seen any mention of this so I'm guessing it's not available, it would be great if voicemail that are too short, say 3 seconds, is automatically deleted.
In the last few days I've been getting a lot of spam robo-calls all from the same source. I blocked the number on my phone but that just makes them leave a 2 second quiet voicemail that I then have to dial in and delete each one which is annoying and time consuming.
P.S. Visual Voicemail on Android would also help with this issue!
Welcome to the Community and thank you for your post :). I wish there was a way to completely restrict spam callers from leaving us a voicemail. It's really quite inconvenient. Usually I just hit 7 to delete the message as soon as it starts playing so I don't have to sit through a spam message.
Thank you again for your suggestion, we'll keep the Community updated if there are any new available features.