Ringflow
About Ringflow

Built so a customer never hears "hold please."

Ringflow is a unified Cloud Phone, AI Contact Center, and AI Sales Platform — built for businesses that treat every call as a revenue opportunity, not a support cost.

500+

Organizations worldwide

32+

Languages supported

280M+

Calls per month

< 3 min

Average setup time

24 / 7

AI availability

STIR/SHAKEN

Certified

See the numbers behind one rollout in our customer case study.

What we build

One platform. One invoice. One reason.

We built Cloud Phone, AI Receptionist, and Contact Center as a single integrated stack — not three bolt-on products from three vendors with three bills.

Cloud Phone

Ringflow PBX

Local numbers, toll-free lines, IVR, call recording, voicemail-to-email, and HD video — all in one seat. No hardware, no PBX closet.

< 200 ms

Average call setup time

AI Receptionist

Always-on front desk

Answers every call, qualifies leads, books appointments, and escalates to a live agent when needed — across 32+ languages, around the clock.

< 800 ms

AI response latency

AI Contact Center

RingFlow CX

Predictive dialler, omnichannel inbox, supervisor whisper, AI sentiment analysis, and post-call summaries. Built for teams that take calls seriously.

38%

Average handle-time reduction

Our story

From a New York apartment
to 90+ countries.

19

2019

Founded in New York

Ringflow was started by a team of telecom and AI engineers who believed cloud communications had a complexity problem that needed solving.

20

2020

First 1 000 customers

Launched Cloud Phone with local presence dialling and reached 1 000 paying customers in 11 months — without a field sales team.

21

2021

AI Receptionist launched

Shipped the first version of our AI Receptionist, capable of handling inbound calls autonomously across English and Spanish.

22

2022

Contact Center launch

Released the full AI Contact Center suite and expanded carrier coverage globally through direct Tier 1 interconnects.

23

2023

Enterprise compliance milestone

Launched enterprise security documentation packages and BAAs for healthcare customers — our first enterprise compliance milestone.

24

2024

32 languages, global reach

Expanded AI Receptionist to 32 languages and 40+ voices. Crossed 200M calls per month processed through the Ringflow network.

25

2025

AI Sales Platform

Launched the AI Sales Platform, unifying cloud phone, contact centre, and CRM automation in a single seat at one price.

26

2026

280M+ calls/month

Today Ringflow powers communications for 500+ organizations worldwide, with a team of 200+ builders focused on AI-first telephony.

What we build around

Four beliefs that shape every decision.

Speed over status quo

We move fast because the cost of a missed call is real. Features ship in weeks, not roadmap quarters. If something isn't working, we fix it before the next stand-up.

Reliability as a promise

We back our uptime commitments contractually. We've invested directly in Tier 1 carrier interconnects so our availability isn't dependent on a third party's third party.

AI that earns its keep

We don't add AI for the slide deck. Every AI feature — Receptionist, Agent Assist, Sentiment Analysis — has a measurable outcome tied to it before it ships.

Transparent pricing

One invoice, no hidden add-ons. AI is included on every plan. We'd rather win on value than lock you in with a contract you need a lawyer to exit.

The team

Built by people who've lived the problem.

Our founders came from telecom, enterprise software, and AI research. They built Ringflow because every tool they used to do this job was either too expensive, too fragmented, or too far behind.

DO

Daniel Osei

Co-founder & CEO

PA

Priya Anand

Co-founder & CTO

MH

Marcus Hill

Chief Product Officer

SL

Sofia Lin

VP Engineering

LF

Leila Fahimi

VP Customer Success

JO

James Osei

Head of AI Research

200+ team members worldwideOffices in New York, London & SingaporeWe're hiring — ringflow.com/careers

Trusted by businesses across

North AmericaEuropeMiddle EastAsia PacificLatin AmericaAfrica

Our Commitment

Built for the teams doing the work.

Ringflow was founded on the belief that the people answering calls deserve tools that actually work — transparent pricing, real support, and a platform that keeps getting better without locking you in.

Transparent pricing
US-based support
No long-term contracts
API-first architecture
Continuous AI updates
Security by default
Free onboarding
Number porting included

FAQ

About Ringflow, answered.

Proactively answering FAQs boosts user confidence and cuts down on support tickets.

Ringflow was founded in 2019 in New York by a team of telecom and AI engineers. We launched Cloud Phone first, reached 1,000 paying customers within 11 months, and have since expanded to serve 500+ organizations across 90+ countries.
One integrated platform covering Cloud Phone (PBX, IVR, call recording), AI Receptionist, and AI Contact Center — not three separate products stitched together. Everything runs on a single seat with one invoice, and AI is included on every plan.
Yes. Ringflow has grown from its first 1,000 customers in 2020 to 500+ organizations processing 280M+ calls per month in 2026, with a 200+ person team across New York, London, and Singapore.
Every account includes STIR/SHAKEN carrier-level call authentication. Ringflow undergoes annual SOC 2 Type II audits and is GDPR-ready, with BAAs available for healthcare customers who need them.
No. Ringflow offers transparent pricing with no long-term contracts required, number porting included, and free onboarding. You can review the full commitment list on this page, including API-first architecture and continuous AI updates.

Ready to give every customer a better experience?

Free trial · No card · Free number porting · SLA-backed uptime