The refurbished Siemens optiPoint 420 Advance is able to support a multitude of SIP based protocols. It offers all the same features as the Standard but with the added benefit of, 1 USB master port, 18 programmable LED keys, a larger 4 line LCD display screen, optiPoint navigation keys and 1 adaptor slot.
The 420 Advance can support special functions HiPath 8000 platform and the two slide in units allow for AOM to be added. All our refurbished optiPoint 420 advance units are thoroughly tested, cleaned and reboxed. They come with 12 months warranty and are available in black or white