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47,284 calls handled today · across 1,427 businesses·Marta just took a renewal in Kraków

Your phones answer
themselves.in Polish.at 03:00.for €0.18.

Calistro builds the AI teammate that takes every call you'd otherwise miss. Booking restaurants. Chasing renewals. Talking to your drivers at 3 AM. Live in five minutes. Cancel in one.

↳ no card · cancel anytime · pause for free
Time to live
0 min
Per call · from
€0.00
Languages spoken
0
Calls handled · 24h
0
LIVE · marta.pl-PL · 47ms p50 · fra-1scroll ↓
Polonia AirBank HaloAurora InsurancemPayAllegricoNoctoFinVeluxaStettin LogisticsCarsPLPierwszy BankLumen ClinicPolonia AirBank HaloAurora InsurancemPayAllegricoNoctoFinVeluxaStettin LogisticsCarsPLPierwszy BankLumen Clinic
↳ Four reasons you'll stop missing calls this week
01
Every missed call is a customer you paid to acquire — and then ghosted.
Calistro answers every one, even at 3 AM.
02
Hiring a receptionist in PL: €2,800/mo. Marta: €0.18 a call.
You'll do the maths in five seconds.
03
Your agent ships before your next standup.
Template → tools → live number. Five minutes.
04
Cancellable monthly. Pausable hourly. Refundable if it underperforms.
No SOW, no kickoff deck, no salesperson visiting Q3.
↳ Live demo · pick one

Press play. Hear what your business sounds like on Calistro.

↳ incoming call
Marta.
Renewals · outbound
voicepl-PL · w2
langsPL · EN
cost€0.21 / call
deploy5 min
IDLE · call_8f3a · pl-PL · w2p50 47ms · fra-1
↳ Catalogue · 8 ready to clone

Pick a teammate. Clone in one click.

Each agent ships with a working number, the prompt, the tools and the voice profile. Drop it in your workspace and dial it in 5 minutes.

Marta2:14
Renewals
SaaS · B2B
tonewarm · brisk
langsPL · EN
cost / call€0.21
Karol3:08
Collections
Banking
tonepatient · firm
langsPL · UK · RU
cost / call€0.24
Ola2:47
Insurance FNOL
Insurance
tonecalm · careful
langsPL · EN · DE
cost / call€0.31
Jakub1:18
Dispatch
Logistics
tonedirect · short
langsPL · UK · RU
cost / call€0.14
Anna2:32
Bookings
Clinics · spas
tonesoft · clear
langsPL · EN
cost / call€0.18
Tomek3:42
Lead qualifier
B2B inbound
tonecurious · brief
langsPL · EN
cost / call€0.22
Lena1:54
NPS follow-up
Retail
tonefriendly
langsPL · RU · EN
cost / call€0.16
Zofia1:22
Restaurant desk
Hospitality
tonewarm
langsPL · EN
cost / call€0.12
↳ don't see yours
Tell us the call. We'll draft the agent — by Friday.
Three sentences is enough. Our team writes the agent, wires the tools and ships you a working number — no SOW, no kickoff deck, no waiting on procurement.
↳ Polonia Air · 2,400 daily calls

“We replaced a 14-person call centre in Łódź in eleven days. Customer NPS went up by 11 points. I keep waiting for the catch.”

AŁ
Aleksandra Łomak
COO · Polonia Air
↳ Pricing · honest

You'll save more in month one than this page costs you to read.

Drag the slider. Watch what your team would have paid a human, against what they'd pay Calistro. We don't make money on minutes we don't talk for.

↳ ROI calculator
How many minutes will Marta answer per month?
50010,00025,00050,000
8,000 min/mo
Human receptionist€3,840 /mo
€0.48 / minute equivalent
Calistro · Scale€2,360 /mo
€1,800 + €0.07 × 8,000 min
You save
€1,480/ month · −39%
That's €17,760 a year. Or one really good hire that won't quit.
Trial
€0
14 days · no card

Try Calistro with one agent and 200 minutes

  • ✓1 agent · 1 number
  • ✓200 included minutes
  • ✓Email support
  • ✓Pause anytime
Most popular
Scale
€1,800
/mo · +€0.07/min

Where 92% of paying teams land

  • ✓Unlimited agents · numbers
  • ✓Dedicated Frankfurt plane
  • ✓99.9% SLA · 24h support
  • ✓OTEL + SIEM export
  • ✓SOC 2 II package
Sovereign
Custom
Annual contract

Self-host in your VPC

  • ✓Air-gapped binary
  • ✓Source-available core
  • ✓Named SRE pairing
  • ✓DORA / NIS2 paperwork
↳ all plans · GDPR · ISO 27001 · SOC 2 II · DORA · NIS2 · EU residency↳ refund if cost-per-call exceeds quoted price · audited monthly
↳ Five minutes from here

Your phones answer themselves by
lunch.

14-day free trial. No card. Pause anytime. Refund if we underperform our own quote.

1,427 businesses on Calistro · 47,284 calls today · last paid trial: 4 minutes ago
ccalistro

Calistro sp. z o.o. · Hoża 51, Warszawa · Voice infrastructure for EU-regulated business.

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1,427 businesses · live trial in 5 min