AT&T® 1740 Digital Answering System with Time/Day Stamp, WhiteDigital operation records outgoing announcements and incoming messages on a microchip. Tapeless operation ensures reliable performance, instant access to messages and the ability to selectively save and delete messages. Digital operation 60 minutes of digital recording time1 Message guard memory for power failure Call screen intercept Time and date stamp Remote access with toll saver Voice prompts Memo recording Audible message alert Variable speed