Siemens Optipoint 500 telephone The Siemens Optipoint 500 is a low cost entry model compatible with Siemens HiPath systems and allows simple and quick access to HiPath/Hicom features. The operating principle is characterized by three dialog keys which, in conjunction with the display, provides an interactive user prompting system. Features 8 feature keys with LEDs … Continue reading Siemens Optipoint 500 telephone