Under Settings -- Phone -- Show my caller ID
Turn it off.
However, do note that this feature may be controlled by your service provider hence, if you do not subscribe to the block caller number display service, you will not be able to utilise this feature in your iphone.
Guess I am the unlucky one here.
Turn it off.
However, do note that this feature may be controlled by your service provider hence, if you do not subscribe to the block caller number display service, you will not be able to utilise this feature in your iphone.
Guess I am the unlucky one here.