Part #: 0150-200000
DSP-2 Radio Interface ModulePart #: 5961-838000
HSP-2A Handset ModulePart #: 5040-632200
CPM-6 Control Processor ModulePart #: 5961-233000
SCM-2 SIP Interface ModulePart #: 5061-330000
PSTN-2 POTS Interface ModulePart #: 5050-330000