Best Vapi Alternative
for Voice AI

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Lead
Qualification

27/7 Receptionist

Appointment
Booking

Reactivation

Warm
Transfer

Customer
Support

Automating call operations for
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In 2026, the choice is about building vs. operating. Vapi suits developer-led teams that want full control and are willing to invest in infrastructure and optimization. Telli is designed for enterprise teams that need production-ready voice agents and fast deployment. If reliability, multilingual support, and speed matter more than building from scratch, Telli is the better fit.

Go Live Fast

Vapi requires engineering time to assemble and tune voice agents. telli ships production-ready agents you can deploy in days — not weeks.

Built to Run, Not to Build

Vapi is a toolkit for developers. telli is a managed platform for teams that want voice agents working in production without owning the complexity.

Exactly What Enterprises Need

telli includes telephony, analytics, compliance, and multilingual performance out of the box. No third-party stitching required like with Vapi.

Outcomes Over Infrastructure

Vapi gives you flexibility. telli gives you reliability, consistent call quality, and real business results at scale.

Why telli?

This is why companies choose telli over Vapi

They don’t have developers dedicated
to voice AI

They need consistent call quality without constant tuning

They want strong performance
beyond English

They want a managed service, not a toolkit

AI Voice Agents
Multilingual Voice Support
Real-time Programmable Voice Agents (API-first)I Voice Agents
Developer-Focused Platform
No-Code / Low-Code Solution
Inbound & Outbound Calls
Verified Phone Numbers
Bring Your Own Numbers (SIP Trunk)
Branded Caller ID
Auto Dialer
Voicemail Drop
Warm Call Transfer to Humans
Appointment Booking / Scheduling
CRM Integration
AI Voice Agents
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Deployed Engineering Manager
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Deployed Engineering Manager
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Features

Everything you need for better caller experience

Voicemail hinterlassen

Geht ein Anruf auf die Mailbox, hinterlassen deine KI-Sprachagenten automatisch professionelle und personalisierte Nachrichten – damit kein Lead verloren geht.

Individuelle Workflows

Passe deine Anruf-Workflows exakt an deine Customer Journey an. Rufe neue Leads automatisch an, vereinbare Termine oder löse Rückrufe gezielt aus.

Auto Dialer

telli ermöglicht vollständig skalierbare Outbound-Kampagnen mit KI-gesteuerten Sprachagenten. Nicht erreichbar? Die KI versucht automatisch zum besten Zeitpunkt erneut anzurufen und erhöht so die Erreichbarkeit, ohne dass dein Team Zeit investieren muss.

telli Studio

Mit dem telli Studio erstellst, optimierst und verfeinerst du die Antworten deiner KI-Sprachagenten ganz einfach. Nutze unseren KI-gestützten Chat oder bearbeite Anrufskripte manuell.

Branded Caller ID

Zeige bei ausgehenden Anrufen deinen Firmennamen und dein Logo an, um Vertrauen aufzubauen und die Annahmequote zu erhöhen. So wirkt jeder Anruf vom ersten Klingeln an professionell und klar deinem Unternehmen zugeordnet.

Verifizierte Rufnummern

Nutze vertrauenswürdige, verifizierte Rufnummern für reibungslose Outbound-Anrufe und höhere Annahmequoten. Alternativ kannst du deine bestehenden Rufnummern über SIP-Trunking einbinden.

Anrufanalyse

Analysiere deine Gespräche skalierbar, verfolge die Performance über tausende Anrufe hinweg, definiere eigene Gesprächsergebnisse und synchronisiere diese direkt mit deinem CRM.

Anpassbare Werkzeuge / Tools

Erweitere deine KI-Sprachagenten mit Custom Tools. Verbinde beliebige APIs oder Datenquellen, um Informationen abzurufen, Aktionen auszuführen und jeden Anruf noch leistungsfähiger zu machen.

Terminbuchung

Überlasse die Terminplanung vollständig deiner KI. Die Sprachagenten von telli sind direkt mit deinem CRM und Kalender verbunden, sodass Termine sofort gebucht werden ganz ohne E-Mail-Pingpong oder verpasste Chancen.

Anrufweiterleitung

telli ermöglicht eine reibungslose Weiterleitung von ein- und ausgehenden Anrufen. Die KI erkennt den passenden Ansprechpartner, checkt die Verfügbarkeit und übergibt den Call inklusive einer kurzen, präzisen Zusammenfassung, für einen nahtlosen Übergang ohne Informationsverlust.

Mehrsprachige KI-Sprachagenten

Führe flüssige, natürlich klingende Gespräche in über 40 Sprachen – darunter Englisch, Deutsch, Französisch, Spanisch, Niederländisch und Italienisch.

Industries

Automate Outbound for Every Industry

HVAC und Solarenergie

Erreichen und qualifizieren Sie Hausbesitzer schnell und buchen Sie dann automatisch Beratungen vor Ort.

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Real Estate

Call and convert buyer and seller leads instantly so you can schedule viewings before competitors do.

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Financial Services

Follow up on inbound sign-ups instantly, pre-qualify prospects, and book advisor calls.

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Insurance

Proactively contact leads for quotes or renewals and convert them with instant AI follow-ups.

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Hiring & Recruitment

Engage candidates faster with automated outreach, screening calls, and interview scheduling.

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Consumer & B2C Brands

Connect with prospects, qualify interest, and book consultations or demos at scale.

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Telecom

Transform telecom with AI voice agents to deliver faster, smarter, and personalized customer experiences.

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FAQ

Frequently Asked Questions

What is the best Vapi AI alternative?
AI voice agents like telli automate patient outreach, appointment scheduling, and follow-ups while ensuring HIPAA compliance. They handle routine inquiries, collect patient information, and provide personalized communication, helping healthcare providers improve responsiveness, reduce manual workload, and maintain consistent patient engagement around the clock.
How much does Vapi cost?
AI in healthcare enhances efficiency, accuracy, and patient satisfaction. Solutions like telli improve reachability, streamline data collection, and personalize every interaction. Providers benefit from faster response times, lower operational costs, and stronger compliance while patients receive more timely, relevant, and supportive communication across the care journey.
What is Vapi AI used for?
Implementing AI agents like telli is simple and fast. telli integrates directly with existing systems such as CRMs and scheduling tools, requiring no complex setup or additional infrastructure. Providers can deploy fully functional, compliant voice agents in days, not weeks, with ongoing support from the telli team.
How does Vapi compare to other voice AI platforms?
Traditional IVRs can frustrate patients with rigid menus. In contrast, telli’s conversational AI understands natural speech, responds contextually, and completes tasks like appointment booking or information gathering instantly. It feels human, not robotic. And it delivers faster, more personal, and more efficient interactions that enhance patient trust and reduce friction. 
How does telli compare to Vapi?
Yes. telli’s AI voice agents are fully HIPAA-compliant, ensuring patient data is protected, encrypted, and handled securely at every step. Healthcare providers can automate calls and data collection confidently, knowing all interactions meet strict regulatory and privacy standards for safe, compliant communication and recordkeeping.
Do telli’s AI voice agents sound like AI?
telli automates patient scheduling, reminders, and follow-ups seamlessly. It books consultations, device fittings, and check-ins directly in your scheduling system. Patients receive instant confirmations and rescheduling options. Healthcare providers use telli to increase appointment attendance, reduce no-shows, and deliver continuous care without adding to staff workload.
Can I optimize telli’s AI agents?
telli automates patient scheduling, reminders, and follow-ups seamlessly. It books consultations, device fittings, and check-ins directly in your scheduling system. Patients receive instant confirmations and rescheduling options. Healthcare providers use telli to increase appointment attendance, reduce no-shows, and deliver continuous care without adding to staff workload.
Is telli compliant?
telli automates patient scheduling, reminders, and follow-ups seamlessly. It books consultations, device fittings, and check-ins directly in your scheduling system. Patients receive instant confirmations and rescheduling options. Healthcare providers use telli to increase appointment attendance, reduce no-shows, and deliver continuous care without adding to staff workload.

Talk to Us About Your Voice AI Needs

Tell us a bit about your use case and team. We’ll help you understand how our voice AI fits your requirements.