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Thank you for explaining about Webrtc, and I know it can be used for tracking and fingerprinting so privacy oriented people are disabling this option in their web browsers, that is the reason I asked about it, but I am not sure how this works in your app.
In todays world if you do disable WebRTC there are a lot of sites that will no longer work. So, yes it will increase privacy, but you are no longer able to do certain things.
This will probably always be the case. You want to make phone calls though your browser using lightning, knowing that some privacy will be lost may just have to be part of the cost.
It's kind of like why I do have some coin in a crappy multicoin wallet on my phone and some electrum wallets on my laptop. Giving up some privacy and security for doing some things simply and quickly. For larger amounts that is where another PC and hardware wallet come into play. Same concept can be applied here too. Want to do something like this then that older laptop gets a new drive and this installed.
-Dave