Don't fix it. Really, except for the aging of some discreet components why should this even be a concern. SO the tech is old? It has been well engineered and proven time and time again.
Alot of companies offering SIP trunking pass whatever your outbound caller ID is as ANI. Its spoofable. I noticed it first when using callback and DISA on my cell phone. I have my outbound CID set for my cellphone's number if i'm dialing through DISA...
As a Canadian, I think the EU should fuck off and mind their own business. Simple as that. They have no business trying to
influence laws in my country.
Next time use BING to do your research, and instead your sentences will read:
"Microsoft has been a shining example of how a good corporate citizen should behave, and Google should be encouraged to emulate Microsoft's example."
"Some have asked whether or not we had back ups. Yes, we dutifully backed up our servers every day. Unfortunately, we backed up the servers between our two servers. The hacker took out both servers, destroying our ability to use one or the other back up to remedy the situation."
SO, what you are saying is: "I'm incompetant and I haven't backed my shit up" A pity.
Simple, paint or skin it in camo or flat black. Put some fake bullet hole stickers on it too.