Links directly to Intercall Nurse600 / Intercall 700 Call Systemsand most other Nurse call systems with a mono plug. INTERCALL NURSECALL 600 /. INTERCALL NURSE CALL 700. FOR USE ON INTERCALL NURSE CALL SYSTEMS OR ANY OTHER COMPATIBLE SYSTEM WITH A MONO JACK PLUG THAT OPERATES WITH A CLOSED SWITCH WHEN THE BULB / BUTTON IS PRESSED.
