The way to block contact is as follows.
1) Move to the contact which you want to block in the contact list.
2) Press "back space-b (dots 1-2)" or press "Enter" on the "Block
Contact" after entering sub-menu of "Contact", by calling up the
menu.
3) "Block XXX? Yes" message appears. ‘XXX’ is user ID to block. If
you press "Enter", the contact will be blocked.
If you want to cancel blocking contact, change "Yes" button to "No"
button, pressing "Space" key or press "F4" or "Space-e (dots 1-5)". After
canceling the delete, it is located in the contact list.
16.3.2.4 Manage Block List
Block list displays the contact list you have blocked. In this list, you are
able to unblock contact that you have blocked.
In order to call up the “Manage Block list” dialog box, press "Backspace-
m (dots 1-3-4)" or press "Enter" on the "Manage Block list" menu after
entering sub-menu of "Contact", by calling up the menu.
"Manage Block list" dialog box consists of 3 controls.
1) E-mail: List control
2) Unblock: Button control
3) Cancel: Button control
Here, you can get a detailed explanation about each control of "Manage
Block list" dialog box. You can move to the next control pressing
"Tab"(F3 or "Space-4-5") or to the previous control pressing "Shift-
Tab"("Space-F3" or "Space-1-2").
1) E-mail: As a list, this displays blocked contact E-mail.
2) Unblock: As a button, this unblocks focused E-mail.
3) Cancel: As a button, if it is executed, you will go to the contact list,
