Features: Line Capacity (ports): 2, expandable to 6 Voice Storage: up to 4 hours, expandable up to 8 hours Automated Attendant Service: Yes Call Screening: Yes Live Call Screening: Yes Remote Live Call Screening (DPITS only): Yes Callback Number Entry: Yes Caller ID Name Announcement: Yes Multiple Company Greetings: Yes Caller ID Personal Greeting: Yes Caller ID Call Routing: Yes Covering Extension: Yes Custom Service: Yes Direct Mailbox Access: Yes, DPITS and APIT only Extension Numbering: 2-5 digits (programmable) System Recording Time: up to 4 hours (expandable to 8)