Pitney Bowes E707 - Manual (Page 26)

To add a pause in the dialing, press the decimal
key ( . ).
To add an “asterisk”(*) in the dialing, press the
Postage Refill key.
To add a “pound sign” (#) in the dialing, press the
no key.
Press Setup repeatedly until
prompt appears.
Press yes .
Key in the prefix; press Enter .
Press Clear ( C ) to return to ready mode.
CHG DIAL PREFIX?
E707 METERS
26
Changing the Dialing Prefix
If your phone system requires you to dial a number
before dialing am 800 number, you need to set a dial-
ing prefix.
It is recommended that you include a pause between
the dialing prefix and the number.