We refer to the below notification sent on 13 August 2018
We going to be retiring the list IP addresses by the end of October 2020.
You need to make sure that your DNS records are updated with the new addresses, and any phones or other devices registering to IP addresses are similarly updated (preferably to the DNS name rather than the new IP).
220.127.116.11 has been replaced with 18.104.22.168.
Please ensure that you are using this 22.214.171.124 IP to register your device or PBX to your Portal account.
Please submit a ticket to email@example.com if you require any further information.