LG C3100 - Manuel (Page 170)

GPRS information [Menu 8-7]
You can check the amount of data transferred over the network
through GPRS. In addition, you can view how much time you are
online.
Call duration [Menu 8-7-1]
You can check the duration of Last call and All calls. You can also
reset the call timers.
Data volumes [Menu 8-7-2]
You can check the Sent, Received or All data volumes and Reset
all.
Accessing the Menu
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