Currently Being ModeratedNov 13, 2012 2:15 PM (in response to barangay08)
First couple of things I would take a look at would be the Mute switch. The small switch above the volume buttons on the left side of the phone. You shouldn't see any orange if you want the ringer to sound.
Second thing to look at is the volume, press the top ( + ) button several times to make sure the volume is up.