The phone turns on the line randomly As if he raises the phone and clo

[balrasheed5400118]

I have a problem that is repeated on a daily basis on the phone model
cp-9971
System version: 9
The phone picks up the phone on its own without a call coming

Attached is a video of the problem

Can someone help me solve the problem

[Jonathan Schulenberg · Accepted solution]

It’s either a bad PLK button or, more likely, bad handset hookswitch. I’d replace it with a newer model but if this is a hobby/lab situation you might be able to find a spare hookswitch or a bricked/non-operative phone to harvest the part from on eBay; just be wary of counterfeits.