NEC ASPILA EX Feature Manual page 240

Operation (Cont'd)
226 Features
To check your extension's data (System Phone Only):
1. Press CHECK.
2. Press CALL1.
You display shows your telephone's extension number, port number and extension/
Department Group.
3. Press CLEAR to return the normal time/date display.
To change how Intercom calls ring your extension:
1. Press the CALL key or lift the handset for DSL phones.
2. Dial 823 to have calls ring your extension
OR
3. Dial 821 to have calls voice announce to your extension.
Intercom
Aspila EX Software Manual