Olympia OL5815 5.8 GHz Digital Cordless Phone Answering System with Dual Handsets Cordless 5.8 GHz cordless phone system with dual handsets and built-in answering machine 40-channel auto-scan operation ensures crisp, static-free reception; 10-number memory speed dialing Caller ID/call waiting system (subscription required) with 64-number storage and real-time clock Answering machine includes 3 digital mailboxes; message waiting indicator (requires voice mail subscription) Includes rechargeable NiMH battery packs; desk- and wall-mountable; 1-year warranty