How to add extra button on fence to Wired essential video dorbell

[Kixon]

I would need an extra button that I would like to mount on the fence and connect to arlo essential dorbell. I allready connected one simple button on fence that triggers a bell in the apartment. unfortunately it doesn't trigger a phone call as the button on the Arlo video dorbell. Can anybody sugesst the solution that will work? this extra button has to be connected as an additional dorbell button to the arlovideo doorbell and haa to trigger a phone call as the original.

[StephenB]

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@Kixon wrote:
this extra button has to be connected as an additional dorbell button to the arlovideo doorbell and haa to trigger a phone call as the original.

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There's no way to do this.

What you could do is get an AVD2001 to the fence.  If you don't care about getting video with the phone call, you could also use the audio doorbell (AAD1001) if you can find one.