Sensaphone 400 - Manual (Page 95)

Chapter 6: Acknowledgment, Status Report & Remote Access
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Request Status Report
The following command will initiate a status report.
Description
Touch-Tone Command
Recite status report W(9) + S(7) + R(7)
Hang-up
The following command will make the 400 hang up the telephone line.
Description
Touch-Tone Command
Hang-up the phone line B(2) + Y(9) + E(3)