Advanced 2-line calling, messaging and conferencing Reliable telephone system makes calling, messaging and conferencing easier - at your business or home. Expandable to 12 cordless handsets, no landline required. Secure, long-range signal. Features DECT 6.0 Plus to take signal transmission range to a whole new level to ensure clear sound and reliability throughout your home or office. DECT 6.0 also provides signal security to deter eavesdropping. Its enhanced signal strength won't interfere or conflict with routers, wireless keyboards, microwaves or other devices. Advanced 2-line calling and messaging . System includes 2 lines plus a handset. Use both lines to handle your growing business needs or keep work and home separate with 1 line for each. The answering system lets you create separate greetings for each line, and can hold 60 total minutes of voicemail. Plus, send messages automatically to a designated cell or other phone when you're away. Sync 4 cell phones. Link2Cell lets you sync up to 4 cell phones to Link2Cell handsets, wherever you have one (only 1 handset included). So while your cell is downstairs somewhere, your cell phone calls are routed to your handset. You can even assign a different ring tone to the handset to distinguish cell phone calls from other calls. 3-way conferencing. Conduct 3 conversations simultaneously from your phone and 2 others. Conference loud and clear - and hands-free - with high-quality speakers in the base unit and handsets. Plus, enhanced noise reduction suppresses surrounding noise when conference participants are calling from noisy locations. Call from Your PC with Microsoft® Outlook®. Connect this phone system to your PC via a USB connection to make outgoing calls to your Outlook contacts also receive incoming calls with a single click. Talk hands-free on your speakerphone while working. Battery power back-up. During outages, a battery back-up system keeps you connected for up to 75 minutes using 2 long-lasting rechargeable AAA Ni-MH batteries (included) in the base unit. Bright, easy-to-read LCD displays. Clearly see call information in any light condition. The base unit has a large, adjustable, 3.4" white backlit LCD. The handset has a super-clear LCD. Call block . Block up to 250 numbers. Talking caller ID . Hear who's calling from across the room with text-to-speech announcements from the base unit and the handset. Phonebook transfer . Transfer and update up to 3,000 names and numbers from your cell phones to the built-in directory via Bluetooth®. Ideal for those who continually add contacts to their smartphone. Instant dialing . Enjoy the convenience of 22 speed dials, with 1-touch dialing for up to 10 of your most frequently called numbers. Includes individual handset names for instant intercom use. Text alerts . Get notifications on your handset when texts are received on your cell phone. Key detector. Attach a small detector device to your key chain or other often-misplaced item. When you need it, press a button on the cordless handset to find it.