Panasonic Easa-Phone VA-123210 Installation Manual page 34

You can place a pause automatically after the first digit dialing number when having access to outside numbers through
PBX.
Set by specifying one digit from among dialing numbers 0 to 9 (PM line access number ).
Program
e
Program
step
Desired
program
mode
-0 thru 9 can be programmed.
(possible multiple digit)
End