While I was not the original programmer, I was called in to get the 2N call box to work with Crestron home.? Here are my general conclusions.
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The TSw-series panels have native support for 2N however it is somewhat limited.? When someone presses the call button on 2N, it will ring all the TSW panels and while it is ringing, any panel can answer the call.? But if you are too late, you cannot initiate a call back to the 2N -- at least natively.? Also no native support for opening the gate from a TSW panel.? There is some paid 3rd software drivers for Crestron? Home however I could never get it to work and I found the support for it was very poor.? I landed up using an existing CP3 processor at the job site to talk to 2N and open the gate (all done in SIMPL).? I passed the commands to Crestron Home via triggers, listens, and Quick Action buttons.?
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The 2N camera is just like any other network camera if you set up 2N properly.? So you can add it to Crestron Home for viewing the camera at any time.
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Calling the 2N gate is possible via a simple curl command.? Unfortunately the Crestron CP3 (probably also the CP4) has no module to issue curl commands.? So if you want to do this, you probably would have to do it in C#.? Personally, I think it would be easier and more cost effective to use an SBC (single board computer) running Linux that has native support for curl commands and then pass that to a SIMPL program that will relay it to Crestron Home.