There are 12 substitutes allowed in indoor volleyball.
12 are allowed. 6 on each team.
10 my friend plays volleyball and she knows
for indoor volleyball-6 for beach volleyball-2
There are 12 substitutions allowed in college volleyball. However, currently there are talks about increasing this number to 15.
It depends on how much the teams rally how many games are played and how many time-outs are called. Normally a Varsity volleyball game will last from one hour and a half to two hours.