VTech LS6426-4 DECT 6.0 Expandable 4 Handset Cordless Phone System with Digital Answering Device, Caller ID and Push-to-Talk Intercom DECT 6.0 digital technology. Expandable to 12 LS6405 handsets OR 10 LS6405 handsets and 2 IS6100 headsets. Voice announce caller ID. HD Audio including equalizer with 4 audio profiles. Push-to-Talk walkie talkie functionality between handsets. Handset speakerphone. Digital answering system. Answering system accessible from handset. 14 minutes of record time. Thin curved handset; low profile piano keypad, high gloss black with metallic silver finishing. Large backlit 7-segment message counter. Trilingual prompts - choose between English, Spanish or French. Wall mount bracket included.