Yealink Telephone SIP-T48G. Answering Machine: Yes. Automatic Redialing: Yes. Bluetooth: Yes. Caller Display: Yes. Call Screening: Yes. Call Tranfser: Yes. Call Waiting Indicator: Yes. Conference Call: Yes. Corded/Cordless: Corded/Cordless. DECT: Yes. Display Screen Type: Touchscreen. Eco DECT: No. GAP Compatible: No. Hands Free: Yes. Hold Function: Yes. Music on Hold: Yes. Number of Handsets: 1. Phonebook: Yes. Phonebook Maximum: 1000 Entries. PoE (RJ-45) Port: Yes. Remote Access: Yes. Screen Size (Diagonal): 17.8cm (7 ). SMS Messaging: No. Type of Display: LED. Dimensions: 266x266x185 mm (WxDxH). Colour: Black.