Owner's Manual
Page 26
... is enabled, you may put the active call on hold while you change it, the default lock code/password is adjusted through the Sound Volume menu: Menu -> Settings -> Sound -> Volume -> Keypad Call Waiting Your cellular service may offer call waiting. The upper key increases the volume and the lower key decreases the voNluomtee. Check...
... is enabled, you may put the active call on hold while you change it, the default lock code/password is adjusted through the Sound Volume menu: Menu -> Settings -> Sound -> Volume -> Keypad Call Waiting Your cellular service may offer call waiting. The upper key increases the volume and the lower key decreases the voNluomtee. Check...