webrtc/video call support

[Trolldemorted]

• I have searched open and closed issues for duplicates

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Will Signal-Desktop get WebRTC support?

[wlritchi]

Is this related to #554 or are you thinking for some other reason?

[Trolldemorted]

Webrtc should be way more easy to implement than redphone, since chrome should already support it.

[mstargard]

Not to poo poo the idea, but what about the issue with WebRTC unmasking vpn users? Is that still a concern? https://torrentfreak.com/huge-security-flaw-leaks-vpn-users-real-ip-addresses-150130/

[Trolldemorted]

Is this threat model relevant for Signal-Desktop? I trust Signal-Desktop to not snoop my IP and send it anywhere, and websites may exploit it no matter what signal does.

[mstargard]

That's a good question. I was thinking more along the lines that privacy-conscious people will disable WebRTC in their browser because they use a VPN, thus making it unavailable for Signal. Or, perhaps the converse is more important: That if Signal uses WebRTC, will a user be outed because of it?

[strugee]

WebRTC works by establishing a direct peer-to-peer connection. This is efficient because it provides the shortest/most direct (and thus fastest) path through the network. For this reason both parties need to know the other's IP address, because they're connecting directly to each other.

The way that the Android client handles this is by providing an option to route WebRTC calls through the Signal server. This is less performant because it takes a less direct network path but allows you to avoid leaking your IP address to the person you're calling.

Also, @Trolldemorted, you should edit your title to include the keyword "video call" so this shows up in searches.

[zero77]

What was the reason for webrtc being chosen over SIP.

[nrizzio]

@zero77 this isn't the discussion forum, go to https://whispersystems.discoursehosting.net instead

[thecyberd3m0n]

I think Redphone procotol could be also implemented in Electron version of Signal. Is it an option to not change current protocol but use existing?

[strugee]

@thecyberd3m0n I'm not sure what you mean. Signal on mobile already uses WebRTC for both audio and video, as of (IIRC) March 2017. The "Redphone protocol" is old and not used anymore, at least AFAIK.

[thecyberd3m0n]

I'm sorry, I've got outdated information

[mrj0b]

any news or updates on when this feature will be implemented