USING THE PHONE
3 - LAST NUMBER REDIAL 
/P
The unit can store for subsequent redial the last number that you called.
-To redial the number, lift the handset or press the 
key once.
-Press the 
/P key once as soon as you hear the dial tone. The previously dialled number will be automatically redialed.
4 - R BUTTON
These are used with the new services provided on digital exchanges. For details please contact your network operator.
NOTE: If you don’t use the provided services on digital exchanges, the R button only cut the line if you press it to dial a new number for example without replace the handset.
5 - STORING NUMBERS IN MEMORY
The Jupiter 20 can store upto 13 numbers of 20 digits each in the memories. Of the 13 memories, 3 are direct access by pressing M1, M2, or M3 keys. It is suggested you store the most frequently used numbers in these memories. The other 10 memories can be accessed by pressing the MEM key followed by digits 0 to 9 on the dial keypad.
To store numbers into memory :
-Lift the handset or press the 
key once.
-Press the 
key once.
-Dial in the telephone number you wish to store into memory. The number will appear on the LCD display as you dial the digits.
-Press 
key once again.
10