NEC SP5008A - Manual (Page 52)

51
z Leading digit: 02
z Total digit count: 10
If the user set the Function parameter as “Disable”, the call
number with a length of 10 digits and a prefix of 02 will proceed
as normal. The user will need to wait until dial timeout period
for the call to be made, or press the “#” on the keypad at the end
of the dialing number to make the call.
You can configure up to 50 entries in the Dial Plan.
1.Press the “Apply” button (at the bottom) after you finish to save changes.
2.Press the “Reboot” button to apply the changes.