I have no land line and I have another cell line to keep at home for emergencies and when we need a babysitter. But most of the time I have the line forwarded to my Verizon 650. Is there a way to have a different ringer to indicate that it's a forwarded call? Sometimes I want to let all calls that come into that line go to voicemail and I don't want to get into a lengthy conversation with someone during business hours at work.