Installation manual
IVX 128  Function 3: Extension programming 
F.11 
Virtual Mailbox Key 
If the entered digits are a three-digit extension number for a guest, department mailbox, cascade 
mailbox, etc., the key will provide for direct transfer to that mailbox, as described above. However if 
you program 
VOICEMAIL
 and a three-digit extension or mailbox number, it will become a 
Virtual 
Mailbox Key
, which will indicate message status for the mailbox (the LED will blink red if new mes-
sages exist) and provide direct pick-up of the messages. 
To create a virtual mailbox key for a user extension, press 
VOICEMAIL 
* and then enter the 
extension number. 
Private Line key 
If a private line has been established in CO line programming (see “Private line,” page E.2), that 
CO line key must appear on that station’s phone to allow outbound access to the line. 










