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< "* 20 petabytes per year of bandwidth, or 20 million gigabytes, to enable voice and video calling alone, which comes to $1.7 million a year - I'd drop these features if possible, or give them to donors."

How about they pull their socks up and use peer to peer technology instead? Messages are asynchronous so they need to be temporarily stored but routing real-time audio and video is a technology problem that they have chosen the expensive way to solve.

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They are peer-to-peer by default between people in their contacts list. That is for when calling someone that isn't in your contacts list or for people that have enabled the relay all calls option.

Thanks, very interesting. IMO, that is an insane amount of money to pay for a non-default feature of a free product.

If signal adds username only accounts it makes sense to relay calls if users don’t want their IP leaked to the other person.

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