AT&T Basic Phone Corded telephone features Caller ID/Call Waiting capability, a fully integrated digital answering system with 19 minutes of record time and speakerphone in base. Caller ID features a 50 name/number Caller ID history, display dial, entry removal button, new call indicator, and visual message-waiting indicator. Answering System includes time/day stamp, audible message alert, call screening/intercept, digital operation, remote access, voice prompts, memo, memory monitor and Message Guard memory for power failures. Telephone has nine-number speed dial, chain dialing, flash, last number redial, mute, on-hook dialing, and power failure operation. Use on desktop or mount on wall. AC powered. Corded telephone includes base, corded handset and power adapter.