I have lost the volume on all aspects email calls etc,

I have lost volume on my Nokia lumia 610 on all aspects , alarm email calls etc etc even though volume is set at max (30)

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0