Dedicated business line inside and then fowarded to cell when out.
cell with a local and a toll free number then a business line that forwards to it as well , fax line in addition to others
I just signed on with a answering service for our storage garage office line. It is $85 per month for 85 messages. And $1 each there after. Have not been using them long but it is working out ok. I get the messages in e-mail as they come on my cell phone, and can return them right away.