Product details:
2.3 DECT 6.0 digital technology for secure calls and clear sound Answering system with up to 17 minute record time Call conferencing and speakerphone options Call waiting/caller ID with 50 name and number memory KX-TGE633M Features: Backlit LCD Display, 100 Station Phone Directory / Dialer, 100 Number Call Log, DECT 6.0 Digital Technology, Intercom, Speakerphone, Caller ID / Call Waiting, 17-Minute Digital Answering System, Expandable Up To 6 Handsets, 3 Handsets included.