©2001 Nokia Mobile Phones. All rights reserved.Call register (Menu 4)64Note that when no more charging or currency units are left, only calls to the emergency number 112may be possible.Show costs inThe phone can show the remaining talk-time in terms of charging units or the desired currency.Contact your service provider for charging unit prices.To enter this function you may need the PIN2 code (see Access codes on page 96).If you selected Currency, key in the charging unit price, press (OK), key in the currency name, andpress (OK). Prepaid credit (Menu 4-8)Within this menu you can view and change settings related to prepaid SIM cards (network service).When using a prepaid SIM card, you can make calls only when there are enough credit units on the SIMcard.The Credit info display function allows you to set the phone to show the amount of remaining creditunits when the phone is in standby mode.Credit available shows the amount of remaining credit units.Last event costs shows information about previous calls.Recharge status shows information about the credit units as well as the time and date when creditunits were last recharged. Pressing (More) shows the expiry date of credit units.