SmartOLT Custom Linker од Ivan Tushev

This add-on fetches the ONT serial number from the SmartOLT site and generates a custom external links (up to two) by appending the fetched serial number to the end of the link.
This allows the users to link from the ONT page directly to a billing system, external monitoring system and so on.
The add-on options let you configure custom url targets for up to two links and emojis and/or names that will appear on the page.
SmartOLT is a cloud based SaaS that helps users manage PON networks. The author of this add-on is not affiliated to the developer of SmartOLT.