Enjoy both the freedom and mobility of included cordless handsets and confidence in knowing the location of included corded handsets. This DECT 6.0 expandable corded/cordless two handset system provides the best sound quality, security and range in cordless phones. No interference with wireless networks and other electronic devices. Calls are digitized and encrypted, making it nearly impossible for someone to eavesdrop. System provides Caller ID/Call Waiting, 50 name/number phonebook, voicemail waiting indicator, bilingual prompts. Wall mountable. Expandable up to five handsets.