How many timeouts and substitutions do we get per set?

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Timeouts (USAV 15.1, 15.4) Two per set, each lasting 30 seconds. There's no warning whistle and timeouts don't end early. Request with the hand signal when the ball is out of play and before the whistle for serve. You may also take a timeout before a set starts. Players may stay on the court or go to the free zone near the bench. Coaches and non-playing team members may not enter the court. Balls may not be used. Media/technical timeouts are at the event organizer's discretion. Substitutions (USAV 15.6) 15 per team per set (raised from 12 in the 2025-27 rules). Several players can be substituted in one request. A substitute may enter any number of times within the 15, but always in the same rotation position. A starter who leaves may re-enter only in their original position. One substitution request per team per dead ball, and there must be a completed rally between two requests (except for injury, expulsion or disqualification). The 2nd referee tells you when you've used substitutions 12, 13, 14 and 15, and your second timeout. An event may reduce substitutions to 6 per set with one entry per player if its format requires. Substitutions are allowed before the start of any set and are counted as that set's substitutions.