10.18.2. Service Information 
While the phone displays the mailbox, it can perform the following
actions:
- If the phone goes off hook, the mailbox is canceled and the phone can start to dial (instead of the dial tone the announcement "You have a message" is offered). When the phone goes on hook, the mailbox display is offered.
- The phone can start to dial. The mailbox is canceled and the dialed digits are displayed. After ending the call, the mailbox display is offered.
- A phone which is configured as a keyset can select a line, by pressing the corresponding line key. The mailbox is canceled and the phone can start to dial (instead of the dial tone the announcement "You have a message" is offered). After ending the call, the mailbox display is offered.
- In this state, the phone can receive calls. The mailbox is canceled and the number/name of the caller appears on the display. If the call isn't answered and the caller ends the call, the phone returns to idle and the mailbox display is offered. The phone can also answer this call by going off hook (or by pressing the line key for keysets). After the call is finished and the phone returns to idle, the mailbox display is offered.
- In this state, the user can scroll through the messages ("Next entry?" option ), can execute the callbacks ("Call originator?" option), can delete the messages ("Delete?" option) or can leave the mailbox ("Cancel?" option).
The following configurable feature keys (with AMO TAPRO) are supported
during the phone displays the mailbox:
- Name key (NAME)
- Speed dial key (SPDI)
- Call-log key (CALLOG). If the call log key is pressed, then the call log will appear on the display. After the call log is canceled, the mailbox display will be offered again.
- Call pickup key (PU). If the phone is configured in a pickup group, then it can pickup the call for a member of the pickup group. The display of the phone will not show for which member of the group the call is (mailbox display will remain on).