Qualcomm GSP-1600 - Manual (Page 41)

Call Information Menu
33
Resetting call counters
You can only reset the Home Calls, Roam Calls, Recent Calls, and Data
Calls counters to zero. You can also undo the counter reset, but you must do
it before you press
ok , which confirms resetting the counter.
To reset the counter to zero
1. Press zero .
Note
After you press ok , you cannot undo the counter reset.
2. Press ok .
To undo the counter reset
■ Press undo .