callback() · a voice AI hackathon by volina

the brief

every patient has a secret.

goal

Warm them up: a photo of their teeth on WhatsApp, or an online consultation.

simulated patients: 200
hidden set: 100
hours: 24
per team: 2–4

voliyour agent

Tap a patient; your agent calls.languagebudgetfearother clinicmood

schedule

one voyage, 24 hours.

sat 09:00

opening

Rahmi M. Koç Museum. Doors at 08:00, then the brief.

sat 09:00, opening: Rahmi M. Koç Museum. Doors at 08:00, then the brief.
sat 10:00, code starts: The clock starts. Your agent starts calling 200 patients.
sat 16:00, leaderboard: The ranking opens and updates with every call.
sat 21:00, progress update: Two minutes per team. Then code through the night.
sun 10:00, freeze: Code locks. Your agent calls 100 patients it has never seen.
sun 13:30, top 6: Jury rounds 10:30–13:00. The finalists are named.
sun 15:30, boat: Golden Horn to the Bosphorus, to Esma Sultan. Everyone comes.
sun evening, final: The stage, a live call, the Turing Line, awards.

leaderboardleaderboard opens at 16:00

your score0/ 200warmed patients

illustrative simulation · not real teams

rules

the rules are fixed.

team

code startsprep is finesat 10:00

honest answer to “are you a bot?”

who picks the winnerthe leaderboard is a guidehidden set + jury

the code belongs toyou

the final

at sunset, on the bosphorus.

15:30, a boat: Golden Horn to the Bosphorus, to Esma Sultan. Everyone comes.

6 min
A live call. The room listens.
3 min
Q&A.
turing line
Human or agent? The room votes.
then
Awards, dinner.

turing line which one is human?

“I wanted to check if you're still interested in the treatment you asked about.”

listen to both, then vote.

what you take home

your receipt.

pack:

laptop
charger
headset with a mic
sleeping bag

volina callback() · istanbul

1× your code · you own it
1× hoodie
1× certificate of participation
1× sponsor credits
1× a working voice agent, measured by a real score
1× the volina team and the sponsors, in person

winners also get

★ a cash prize
★ a final-round interview or an internship at volina

time24 hours

come again.

apply

want a callback?

Fill in the form. We pick 50 people in total from the applications; if you're picked, voli calls you.

apply
we pick 50 people
if picked, voli calls; confirm in 72 h
find a team on discord
online kickoff, starter kit

The callback() poster: sunset over Istanbul, a giant letter V rising out of the Bosphorus. — print the poster. pin it on a board. download the poster