It supports several features such as last number redial, a switchable Flash and handset volume control. The Trendline 7150 also offers Caller ID and stores the last 80 incoming calls. It features FSK message waiting with LED indicator and a Redial Button for redialing the last number dialed. Trendline 7150 Features: Corded PhoneCaller IDLCD Display on Handset80 Station Name / Number Caller ID MemoryNew Call IndicatorMessage Waiting IndicatorHandset Volume Control Wall Mountable/Mount Included RedialHoldPauseFlashBilingual Menu Support (English / Spanish)"