Real-Time Full-Duplex vs. Legacy Voice Bots
Why traditional STT → LLM → TTS pipelines fail on the phone, and how Firetell delivers human-grade conversation.
Beyond Chat: AI That Takes Real Business Actions
Equip your Voice Agent with real-time function calling tools that integrate directly into your telephony infrastructure and backend APIs.
Intelligent Call Transfer
Seamlessly hand over calls to human agents or department queues with complete transcript and transfer reason.
Real-Time Webhooks
Query CRM, check order status, fetch balance, or book appointments live during the phone conversation.
DTMF & Digits Collection
Collect secure PINs, account numbers, or navigate automated keypad IVR menus effortlessly.
Call Hold & Resume
Politely place callers on hold while looking up heavy records in the background and resume gracefully.
Experience Ultra-Natural Voices
Listen to realistic conversational voices fine-tuned for business phone calls.
Alloy
Virtual Receptionist & Support
Echo
Sales & Customer Success
Shimmer
Booking & Inbound Helpdesk
Sage
Healthcare & Dispatch Services
Deploy Anywhere in Your Communication Stack
Seamlessly integrate Voice AI with your existing numbers, web/mobile applications, or enterprise PBX.
Inbound Call Flow Builder
Attach Voice AI nodes into visual drag-and-drop Call Flows (trigger: inbound) to handle incoming customer calls 24/7.
In-App WebRTC Voice Widget
Embed low-latency WebRTC voice calling directly in your web or mobile app using Client SDK with outbound Call Flows.
SIP Trunking & PBX
Connect your existing on-premise PBX or carrier SIP trunks directly to Firetell Voice AI with zero infrastructure changes.
Features that mimic human interaction
Our Voice AI is powered by the latest LLMs tailored specifically for low-latency phone conversations.
Natural Language Understanding
Comprehends complex sentences, slang, and interruptions just like a real person.
Multi-Language Support
Speaks and understands over 40+ languages with native accents and intonations.
Sub-Second Latency
Optimized audio pipelines ensure the AI replies almost instantly, eliminating awkward pauses.
Custom Knowledge Base
Train the bot on your own PDFs, FAQs, and website data for accurate company-specific answers.
Real-time Sentiment Analysis
Detects customer frustration and automatically escalates to a human supervisor.
Noise Cancellation API
Filters out background noise to ensure the AI understands callers perfectly, even from the street.
What can the AI Agent do?
Inbound Customer Support
Answer common tier-1 questions like order status, store hours, and return policies.
Appointment Scheduling
Integrate with your calendar to let callers book, cancel, or reschedule appointments.
Order Taking (Restaurants)
Take food orders over the phone accurately to free up the front desk staff.
Outbound Reminders
Automatically call patients or clients to remind them of upcoming appointments.