Avaya Partner Mail VS 2x10 Release 4.1 (Refurbished)More Information 2 Port x 10 Mailbox system with 4 Hours of total storage Handles up to two calls simultaneously and provides service for up to 10 subscribers. Expandable if an optional 10 mailbox expansion card is installed, the voice messaging system provides service for up to 20 subscribers Automated Attendant Service answers your company's outside calls and transfers them to the destination selected by the caller Caller can choose between two