Search-LineURI (Search for that LineURI in all endpoints)
Sometimes it can be hard to find where a number is configured in the system. Not all numbers are shown in the CSCP. And the only way find it is through poweshell commands.
This script, does it all for you. Search for the number, and it will look through all the possibilities.
This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.