Digital ExtensionThe Siemens OptiPoint 500 Basic telephone is a digital telephone that will only work on a digital extension on the Siemens Hipath or Hicom system. The extension has got to be set up for one of the OptiPoint 500 range as the telephone
The Dialog 4420 IP Basic is positioned as the entry level IP telephone primarily intended for use in non communications intensive areas like office receptions, general meetingservice areas, manufacturing and retail floors.
Digital ExtensionThe Siemens OptiPoint 500 Basic telephone is a digital telephone that will only work on a digital extension on the Siemens Hipath or Hicom system. The extension has got to be set up for one of the OptiPoint 500 range as the telephone
