Many Polycom IP phones are not provisioning successfully, and do not appear to be trying, according to packet captures.
This includes:
Also, all Internet-traversing connections should use TLS, see: https://groups.io/g/phreaknet/message/3148
Should be able to do push notifications on Polycoms as well: https://www.voip-info.org/polycom-microbrowser/
Time doesn't update on DST change without reboot
You must be