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A comment on Building a Personal VoIP System. Parent comment

Re:Building a Personal VoIP System by forgotusername6 on Saturday May 27, 2023 @04:31AM (#36093025)
We could have easily been calling eachother by our email (SIP URIs) addresses. It is a shame that instead we got a dozen walled gardens when it comes to making voice/video calls over the internet.
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Re:Building a Personal VoIP System by rsolva on Saturday May 27, 2023 @04:43AM (#36093075)
Can you share some resources explaining how this could be set up?
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Re:Building a Personal VoIP System by brazzledazzle on Saturday May 27, 2023 @06:35AM (#36093577)
One way was SIP and SRV DNS records. Seemed like it had some of the problems email has except it’s a phone ringing instead of spam.
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Re:Building a Personal VoIP System by gormandizer on Saturday May 27, 2023 @02:12PM (#36096876)
TRIP/ITAD is/was a framework that I believe was designed to facilitate this. Unfortunately it never took off. https://www.rfc-editor.org/rfc/rfc2871
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