DECT 6.0 digital cordless technology for interference free, digitally secured communication.Conference between an outside line and up to 2 cordless handsets Full duplex handset and base speakerphones for handsfree talking.Volume control. Any-key answer Digital Answering Machine with up to 22 minutes of recording time and bilingual voice prompts (Eng/Fr) (accessible from Handset and remotely with passcode) 3-way conference, Mute, Flash, last 10 number redial Line power mode allows use during power failure (corded base only)