Siemens 69905 OptiPoint 500 Standard SL Telephone (Mangan/Refurbished)Siemens OptiPoint 500 Standard SL Display Phone Key Features: Mnfr. Part #: 69905 Get a cost effective speakerphone digital workpoint ideal for private offices and general work areas. Reduce costs with an Integrate USB jack for efficient CTI applications. Use with the HiPath 3000 communication platform as a multi line telephone or the HiPath 4000 as a single line telephone. Speakerphone with display & option bay