Siemens - S30852-H1806-R301/DECT6.0 SOS w/ AN - Verizon DECT 6.0 Expandable cordless with digital answering system - Expandable up to 4 handsets total - SOS mode: store up to 4 emergency numbers. When SOS is enabled, user can press the one-touch button and begin an automatic emergency dialing of all emergency numbers (phone runs through all emergency numbers 4 times until the call is answered). If the outbound call is answered, a pre-recorded message will play and ask the person to accept the call. If the SOS button is pressed in error, the process can be cancelled at any time. - Easy to operate, extra large display, oversized buttons, and enhanced acoustics - Superior sound quality utilizing "look before transmit" protocol to ensure delivery of outstanding voice quality - Automatic handset registration with advanced security coding to eliminate eavesdropping or call interception - Takes all the convenience of standard phones and significantly improves their performance - Longer physical range, clear sound quality, enhanced battery life - Modern design - Illuminated 3-line enhanced black and white display, oversized 1.7"x1" - Enhanced LCD font (standard 20pt, jumbo 30pt) - Improved display contrast - Digital clock screensaver - Date, time, battery life indication displayed - Call duration displayed - Multi-language menu support - 4 Short dialing keys, programmable for emergency dialing - Enhanced extra loud and clear acoustics - Hearing aid compatible - Time and date buffered in case of power loss - Caller ID name and number - 20# Caller ID log - 100# Phonebook - Direct dialing one-touch key - Emergency numbers stored on base station and handset - In SOS mode, illuminated SOS key on handset and base station - Index card for labeling the SOS/direct dialing keys - SOS enabled even when keypad is locked - Ability to enable/disable SOS mode - Handset speakerphone - Adjustable handsfree speaker volume - 2.5mm Headset jack - 5 Step adjustable headset volum