Discountcomms | Telephone Systems - System Phones - VoIP | Unify Siemens Openscape Business Phone Systems | Unify Siemens Integrated DECT Base Stations |  Unify New CMA (Clock Module ADPCM) for DECT connection (Direct Base Station Connections) - Take note -This module is not supported at all on the HiPath 3000 range L30251-U600-A921