VTech DS65212 DECT 6.0 2-Handset Landline Telephone with Caller ID/Call Waiting DECT 6.0 Digital technology Eliminate cell phone dead spots at home Store 200 directory entries from up to 2 different cell phones Caller ID/Call Waiting*stores 50 calls Handset speakerphone DSL Subscribers may need to us a DSL Filter For optimal performance batteries should be charged for 16 hours prior to use