Message receipt acknowledgement not implemented by Apple ?!
I just bought an iPhone 4S on the Apple store and this is my first smartphone.
How can i do to receive a message receipt acknowledgement ?
When i send a sms to somebody i would like to know when this sms is received by this person's phone (not read, simply received).
I could do this without problem with my little and very simple Nokia 2600, but it seems that this is impossible with an iPhone 4S !
Why do this basic feature has not been yet implemented by Apple ?! This is incredible....
Does anybody have information about this ? Is there any Apps able to implement this basic feature ?
Thank you for your help