Full-duplex Speakerphone
Dip Switches
EXT MIC
EXT MIC
5217
LOW
HIGH
5218
Figure 5
RFDM Plug on DKT2020-FDSP
Figure 6
RFDM Unit
RFDM Unit (OFF Position)
RFDM Unit (ON Position)
5352
Figure 7
External Microphone On/Off
121
Strata DK Digital Telephone 6/00