2-line DECT 60 Expandable System (up to 9 cordless handsets).Integrated Digital Answering System with up to 50 minutes recording time.Call Waiting Caller ID with 99 Name/Number Log.10 One-touch Buttons.Intercom between units 2-Line DECT 6.0 Telephone System is expandable up to 9 cordless handsets and includes a corded base, cordless headset and a cordless handset. Telephone system offers 10 programmable one-touch buttons, Call Waiting/Caller ID, intercom between units, call transfer, two-line conferencing, 99 name/number directory, hold, mute, and Do Not Disturb/privacy setting, auto line select and visual line status indicators. Integrated digital answering system has 60-minute recording time, two mailboxes, two outgoing messages, voice time/day stamp, and remote message retrieval. Base and included cordless handset feature speakerphones. Trilingual display can be viewed in English, Spanish and French. Telephone system is hearing aid compatible. Set telephone on desk or mount to a wall.