45Block or unblock messagesWhen you are in a conversation and want to block messages, select Options >Block contact.To block messages from a specific contact in your contacts list, scroll to thecontact in Conversations, Online () or Offline () and select Options > Blockcontact > OK.To unblock a contact, in the IM main menu select Options > Blocked list.Scroll to the contact you want to unblock, and select Unblock > OK.GroupsYou can use the public groups provided by the service provider, or create yourown private groups for an IM conversation.PublicYou can bookmark public groups your service provider may maintain. Connectto the IM service, and select Groups > Public groups. Select a group, and Join.If you are not in the group, enter your screen name as your nickname for thegroup. To delete a group from your list, select Options > Delete group.To search for a group, select Groups > Public groups > Search groups.PrivateConnect to the IM service, and from the main menu select Options > Creategroup. Enter the name for the group and the screen name you want to use asyour nickname. Mark the private group members in the contacts list, and writean invitation.■ MessagesThe voice mailbox is a network service and you may need to subscribe to it.For more information contact your service provider.