I would agree, but modify this advice to read: “TCP or TLS to the edge for
end-users, then step down to UDP with big MTUs inside the service provider
core.”
—
Sent from mobile, with due apologies for brevity and errors.
> On Oct 8, 2021, at 8:25 AM, Tim Bray via VoiceOps
> wrote:
>
>
>
UDP fragments have been a problem for years.
mitigations historically have been to turn off spare codecs. On snom
phones, turn off fancy features.
Tbh, the only really modern mitigation is just to use SIP over TLS and
taking UDP out of the mix for everything except media.
Tim
On
