ai-voice-agent
(7)
Aircall
The Paris-born company turned the office phone into a line of software - and is now teaching it to answer calls on its own.
Nextiva
A phone company that decided phone calls were only the beginning. How Nextiva turned a VoIP line for small businesses into an AI platform that runs a billion customer conversations a year.
OpenCall.ai
OpenCall.ai is a San Francisco AI startup (Y Combinator W24) that builds AI voice agents to answer, route, and resolve business phone calls. Trained on thousands of real-world workflows, its agents book appointments, verify insurance, and update records, integrating with existing software and going live in under an hour. The company targets service businesses - especially healthcare practices - promising to capture missed-call revenue while cutting call-handling costs by 50-80%.
Cedar
Cedar is a New York-based healthcare financial technology company that helps hospitals, physician groups and payers modernize the way patients understand and pay their medical bills. Founded in 2016 by Florian Otto and Ariel Lidow, Cedar combines consumer-grade digital billing, personalized payment plans, coverage and benefits tools, and AI-powered support - including its Kora AI voice agent - into a single patient financial engagement platform. It works with more than 55 leading health systems and payers, has processed billions of dollars in patient payments, and reached a $3.2 billion valuation after a 2021 Series D.
Velostics
Velostics is a Houston-based logistics SaaS company building an AI-enabled platform that unifies dock and yard operations. Its software automates 3-way appointment scheduling between shippers, carriers and consignees, digitizes gate check-in, and uses AI voice agents to book, confirm and reschedule loads without manual phone tag. Founded in 2019 by ChaiOne CEO Gaurav Khandelwal, the company helps manufacturers, distributors and 3PLs cut detention, dwell time and freight costs by closing the gap between transportation and distribution.
Health Note
Health Note is a healthcare AI company that automates the administrative work surrounding a clinical visit. Founded by physician Joshua Reischer, MD, its platform collects patient information before an appointment through conversational texting and AI voice agents, then turns that data into structured EHR documentation and pre-written clinical notes. The goal is to cut the paperwork and phone-tag that drives physician burnout, shorten check-in times, and let care teams spend more time with patients and less with screens.
Medsender
Medsender is a New York-based healthcare AI company building the workflow automation platform for medical practices. It started by fixing the fax - the stubborn backbone of healthcare communication - turning inbound faxes, referrals and documents into structured data that drops straight into the patient chart. Today its AI Medical Assistant, MAIRA, answers patient phone calls 24/7 in 15+ languages, and the company says it serves thousands of providers across all 50 states. Medsender raised a $5M Series A led by Ballast Point Ventures in early 2025.