Recovered revenue: +$120k
AI voice agents for lead reactivation
Re-engage lost leads. telli’s AI voice agents reactivate cold, aged, or unresponsive leads automatically — sparking new conversations and booking meetings at scale.
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Re-Engage dormant leads
telli activates the leads you’ve never had time to follow up on. Our AI voice agents plug into your CRM and instantly deliver personalized calls at scale, re-engaging dormant leads and uncovering new revenue.
- Proactive outreach to dormant leads
- Personalized conversations at scale
- Consistent, timely follow-ups
Contact leads the moment they register
Seamless handoff to your team
When a lead is ready to return or needs a human touch, telli transfers the conversation to the right person with full context. Your team can pick up exactly where the AI left off, leading to higher conversion and smoother experiences.
- Real-time routing to the right specialist
- Full conversation summaries for your team
- Frictionless AI-to-human call escalations
Contact leads the moment they register
Sync every insight to your CRM automatically
telli updates customer profiles with every interaction: call logs, preferences, and reactivation readiness. Your team gets complete visibility without manual data entry, enabling smarter campaigns and more effective follow-ups.
- Automatic CRM updates for every customer
- Real-time data on reactivation likelihood
- Insights to optimize win-back strategies
Contact leads the moment they register
Features
Everything you need to reactivate leads
Up and running in days, not weeks.
Integrate in seconds, deploy in days. We’re there at every step to ensure your voice agents perform flawlessly from day one.
Multilingual AI agents
[.text-color-gray] Sound local. [.text-color-gray] Everywhere.
Deliver fluent, native-sounding conversations in English, German, French, Spanish, Dutch and Italian. Build trust with customers using local accents and natural tone. No translators, no extra staff.
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telli’s AI agents have expanded our outbound capacity further than we thought possible. We’re saving time, reaching more leads, and seeing a huge spike in follow-ups from potential customers.
Drive higher inbound throughput with AI-optimized call handling
10
X
increase in monthly call volume
As a fast-growing AI-based company, we only work with the most cutting-edge solutions, and telli is just that. They help us dramatically scale lead response while giving our customers a high-quality experience.
Convert more conversations into appointments with AI-guided scheduling
150
%
increase in booking rate
telli is the most scalable and cost-efficient answer to call automation on the market. If you’re looking to ramp up sales without compromising on customer satisfaction, it’s a must.
Multiply call throughput using AI agents that operate without bottlenecks
4
X
completed call volume
We’ve been using telli for three months to book appointments with leads, and the results have been great. It’s surprisingly easy to use, and the AI agent consistently books appointments at the same rate or better than our internal call center.
Fill more technician calendars with AI-driven appointment scheduling
30
%
increase in weekly service appointments scheduled
telli brought our sales floor from chaos to calm. Our team now focuses on actually helping customers, not just reaching and scheduling them — and we haven’t missed a lead since.
Convert more consultations into revenue with AI-guided follow-up and qualification
15
%
increase in CVR from consultation to sale
telli delivers an incredibly human-like, scalable, and professional experience that's transformed how we handle customer calls. We're thrilled with both the product and the responsive, supportive team behind it.
Reach more customers on the first attempt with intelligent call sequencing
45
%
increase in connection rate
telli is leading the charge for call automation in Germany. They tailored their voice agents to our exact business needs, and the efficiency gains have been incredible.
Offload routine intake calls to AI for cleaner, faster front-line operations
90
%
of information-gathering calls handled by a telli agent
Industries
Automate call operations for every industry
HVAC & Solar
Reach and qualify homeowners fast, then book on-site consultations automatically.
Real Estate
Call and convert buyer and seller leads instantly so you can schedule viewings before competitors do.
Hiring & Recruitment
Engage candidates faster with automated outreach, screening calls, and interview scheduling.
Financial Services
Follow up on inbound sign-ups instantly, pre-qualify prospects, and book advisor calls.
Insurance
Proactively contact leads for quotes or renewals and convert them with instant AI follow-ups.
Consumer & B2C Brands
Connect with prospects, qualify interest, and book consultations or demos at scale.
Telecom
Transform telecom with AI voice agents to deliver faster, smarter, and personalized customer experiences.
Integrations
[.text-color-gray]Plug and play.[.text-color-gray] No heavy lifting.
telli plugs directly into your CRM, calendars and customer systems, automatically capturing and updating data from every call. No manual entry. No extra steps.
Aircall
Integrate with Aircall to effortlessly manage your telephony and call operations.
Zoho
Automatically follow up with customers and leads.
Calendly
Schedule meetings effortlessly with our Calendly integration.
Hubspot
Automate AI calls and push lead data directly into HubSpot.
Microsoft Dynamics
Improve answer rates with intelligent AI calling.
Pipedrive
Automate call operations and sync data with Pipedrive.
Cal.com
Sync your calendars to automate meeting booking.
Custom Calendar
Sync custom calendars to automate meeting booking.
HubSpot Calendar
Automate meeting booking with telli's HubSpot Calendar integration.
Talkdesk
Improve customer experience and CSAT with telli's Talkdesk integration.
Salesforce
Automate AI calls and sync Salesforce data.
Main integrations
Calendar
Phone systems
Integrations
Enterprise-grade protection
by default.
FAQ
Frequently asked questions
What are some customer reactivation strategies?
Customer reactivation strategies focus on re-engaging inactive customers through personalized outreach, updated offers, and timely follow-ups. With AI and telli, businesses can automate phone outreach, deliver tailored messages, and identify which customers are ready to return, boosting reactivation rates without adding manual work.
What are customer reactivation campaigns?
Customer reactivation campaigns are structured efforts to win back dormant customers using targeted communication, incentives, and personalized messaging. With telli’s AI-driven voice outreach, businesses can contact customers at scale, uncover reasons for inactivity, update profiles, and guide them back toward bookings, purchases, or renewed engagement automatically and efficiently.
How can AI be used for customer reactivation?
AI powers customer reactivation by identifying inactive customers and automating personalized outreach. telli’s AI voice agents call customers directly, gather key insights, deliver tailored messages, and seamlessly escalate to humans when needed, which allows businesses to re-engage customers at scale with minimal effort.
Can telli retrieve customer data in real time?
Yes. telli connects directly to your CRM and business systems to pull customer records the moment a call begins. It can access history, preferences, and account details instantly, enabling personalized conversations, accurate verification, and smoother call handling. Your team receives fully updated, real-time information for every interaction.
Is telli compliant?
Yes. telli is built with strict security and privacy standards, including HIPAA, GDPR, and SOC 2 compliance. All data is encrypted, access is tightly controlled, and processes are audited regularly. This ensures customer information remains secure and that your business meets regulatory obligations without additional effort.
Can I optimize telli’s AI voice agents?
Yes. telli includes a powerful prompt editor called telli studio that allows you to refine responses, workflows, and conversation logic. You can adjust tone, instructions, and behavior to match your brand and operational needs or our team can help you do so. Continuous optimization helps your AI receptionist become smarter, more accurate, and more aligned with your customer experience goals.
Do telli’s voice agents sound like AI?
No. telli’s voice AI is designed to sound natural, human-like, and conversational. Our customers consistently report that callers don’t realize they’re speaking with AI — and many find it hard to believe even after being told. The result is a smooth, engaging experience that feels like talking to a real customer support representative.
Berlin | San Francisco
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