DISH Network Duo 322 Manuale Utente

Note: Usually, you need a telephone number prefix only for business 

installations. For most residential installations, all you need to do is set 

the telephone system type. 

6. Move the highlight to the Outside Line Prefix list. Press the 

SELECT button to select the highlighted option.

7. Select the

 

Prefix Code option. The receiver displays the same number 

of boxes (highlighting the first box) where you must enter the digits. 
Use the Number Pad to enter the prefix code. As you enter each num-
ber, the highlight moves to the next box.

8. When you have completed entering all of your numbers, the 

Telephone System Setup screen will return. Select the

 

option to save the settings.