We recently signed up for phone service and voicemail, but soon decided we'd rather keep using our own desk-top answering machine so we could screen calls by listening to the messages being left.
So ... I had Comcast disable voicemail. But, by the time we'd gone through this process, I realized, I think, that we didn't actually have to disable voicemail.
All we had to do was make the number of rings before voicemail answers longer than the number of rings before the desk-top answering machine answers, right? So the answering machine will pick up and voicemail nevers gets involved. Then, if we go on a trip and want to be able to access our messages online, rather than by phone, we can just change the number of rings so voicemail picks up before the answering machine does.
This should work, right? Anyone see a problem with this scenario?
What Jay says is the only other scenario you need to worry about. I would suggest enabling the email notifications with attachment and/or transcription so then you don't even need to worry about checking your voicemail, you can just check your email which you probably already will be doing.