http://www.physorg.com/news109588387.html

I think that caller ID should be mandatory for all calls. I see no reason for keeping your name hidden while phoning someone else. When you get a call, you should be able, at a glance, to know who is calling you. And, you should be able to block anyone who persists in calling you for purposes of harrassment. These features should be built into every phone, or into the very system itself.

http://www.privacyrights.org/fs/fs19-cid.htm#2

Arthur

Many industries require call ID restriction...

The call routing market, when you dial a call from a landline you've got an embedded preprogrammed GSM router connected to the line. The programmed router determines the least cost route for the call according to the number you are dialing. In some countries it cheaper to dial a landline to landline and cellular to cellular, so the router determines the cheapest route for the call. You can have a router with multiple GSM service providers SIM cards installed. Again it's cheaper to call service providers number on their own internal network e.g It's cheaper to call provider1 to provider1 and provider2 to provider2 than provider1 to provider2. The router has an embedded GSM module and a GSM SIM card and a landline connected, when you dial calls via the GSM module the caller ID is restricted. The reason for this is so the recipient you called on your GSM line does not return a call to the GSM line, as the GSM network can only accommodate one active call per terminal. So, if the recipients called back on the GSM line they would be consuming your least cost routing bandwidth. Currently on our market there are many routers programmed to the structure I have mentioned above.

Another example would be the public cellular phone market, where plenty of the companies require ID restrictions for many reasons. Reasons arising from incorrect programming structures to security loopholes for airtime recharges...

Hopefully in future they will create a more robust system, requiring you to apply with a formal motivational request for ID restrictions via the network and not a simple terminal setting. That would also be a problem! In numerous circumstances private users want to restrict their number for many legit reasons. Your local police department working in conjunction with the network providers can track restricted numbers when it comes to stalking, harassment, etc....