SIP still has a reliability layer built on top: the humans will say “I didn’t ca... | Hacker News

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		juliusdavies 70 days ago \| parent \| context \| favorite \| on: UDP isn't unreliable, it's a convertible (2024) SIP still has a reliability layer built on top: the humans will say “I didn’t catch that, can you repeat yourself?“ on the video call.

jeroenhd 69 days ago [–]

More so than that, SIP itself has a ACK system to resend dropped packets or report failures.

The RTP part will carry the "can you repeat that" part, unless you're sending DM's over SIP INFO messages.

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