MGMGMGMGMG wrote:
I don't understand though why this feature is not available on the phone, if it is available by the communication system.
In addition, why there's always a question of "why you need this". I wouldn't ask if I wouldn't find it helpful.
Because it's not something the phone can do. The carrier has to do it.
And, if you post on a public forum, expect people to ask questions and make comments. If you explained why it makes a difference, people might also be able to suggest alternatives. However, it seems you may just want to complain, not actually get help. In that case, this is the wrong venue.
Submit your feedback directly to Apple using the appropriate link on the Feedback page:
http://www.apple.com/feedback
Best of luck.