If it were me: FIOS -> Cisco ASA -> Cisco switch -> PCs & IP phones You may not want to spend the money on Cisco gear. I'm an ISP/Enterprise guy and my cust

If it were me: FIOS -> Cisco ASA -> Cisco switch -> PCs & IP phones You may not want to spend the money on Cisco gear. I'm an ISP/Enterprise guy and my customers expect their shit to work, so we do. The switch should be managed so that you can put your PCs and VoIP phones (and on-site servers, if you have them) onto separate VLANs. You didn't mention what OS your users will be using. Hopefully, however, you can avoid Active Directory.