Copyright © 2004 Nokia. All rights reserved. 81Call waiting optionsWhen this network service is activated, the network notifies you of a newincoming call while you have a call in progress. See Answering a new call during acall on page 35.Own number sendingThis network service allows you to set your phone number to be displayed (On) orhidden (Off) from the person you are calling. When you select Set by network, thesetting agreed with your service provider is used.Phone line in useThe phone may be used with a SIM card which supports two subscriber numbers,i.e. phone lines. This is a network service.Within this menu you can select the desired phone line (1 or 2) for making calls orprevent line selection. Calls on both lines can be answered irrespective of theselected line.You will not be able to make calls if you select line 2 and you have not subscribedto this network service. When line 2 is selected, 2 is shown on the top left of thedisplay in standby mode.To allow or prevent the line selection you need the PIN2 code.Tip: In standby mode, you can switch between the lines by pressing andholding .