Scope:This document will explain how to whitelist the IP address on RPS to prevent it from being blocked due to Yealink's new service policy. To unblock and whitelist a blocked device, visit this doc: Unblocking a Device on RPSRequirements:Client Public IP address(Find how to get it here: Checking Your Public IP Address)Access to RPSWhitelisting the IP AddressLog in to https://dm.yealink.com/NOTE: You may be prompted to accept the new service policy. Please do so.On the left go to System Settings > IP WhitelistSelect Add IPEnter the client's public IP address and click SaveThe IP address will be added with your user as the operator