tracfone.com "turn ringer" Questions

...the ringer on/off switch on the side of the phone is set to the ON position? If you see a red dot on the switch, then the phone is in silent mode. Slide the switch the other way to turn the ringer

...I can not hear the person calling me because I do not know how to turn up the volume on this phone. The ringer volume is fine. while on the phone press the side volume buttons up or go to call ...