DESC: Cortelco Kellogg is a well-known manufacturer of quality telecommunication products. The company offers a complete line of single-line telephones, key systems, and voice mail products. Whenever you are in search of best telecommunication products for reasonable money, choose Cortelco Kellogg solutions that are destined to meet your demands!??Colleague Speakerphone model 2203 features the last number Redial, a switchable Flash (100-300-600mS) and a Handset Volume Control - ADA compliant. This perfect phone has several useful things such as an A-Lead, a Data Jack, a Hold with LED Indicator (Flip-Flop Type) and a 10 one-touch programming memory. There is also a Hook Delay (Positive Line Disconnect) and a customized faceplate. The phone is also Hearing Aid compatible. Finally there is a hands-free speakerphone with LED indicator.