The Panasonic KX-TS4100 is a great choice for a 4-Line Integrated Phone System with Speakerphone that is also Hearing Aid Compatible (HAC). This 4 line analog phone features an Intercom, voice paging, call transferring, conference calling, a Do Not Disturb option, 4 different ring tones, and more.

Key Features:

• Supports 4 Lines (Analog)
• Compatible with KX-TS4200B and KX-TS4300B
• Expandable up to 16 stations
• 200 Name/Number Directory
• 32 One Touch Access Buttons
• Three Way Conferencing
• 4-Line backlit LCD for display dialing
• Dual language (English/Spanish)
• 2.5mm Headset jack with control and indicator button
• Speakerphone with in-use indicator
• Adjustable Volume Control
• 4 Selectable ring tones
• Last 6 numbers redial capability
• Intercom
• Voice paging
• Call transfer
• Do not disturb
• Hold
• Mute
• Flash
• Real time clock AM/PM format
• Wall mountable
• 2 Desktop angle choices for easier viewing
• AC powered
• Battery backup system (9V battery sold separately)