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AI agents that answer and make phone calls.

One place for inbound support, outbound campaigns, appointment booking, and payment reminders — all in natural voice, 24/7.

Free to start · No credit card required

Platform Capabilities

Calls answered instantly, 24/7

Every call answered instantly, day or night.

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Inbound call being answered by AI agent

Outbound campaigns at scale

Reach thousands of contacts automatically.

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Batch calling dashboard with campaign progress

Natural conversations, not scripts

Real conversations, not robotic scripts.

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AI agent having a natural voice conversation

Smart handoffs when needed

Seamless handoffs to your team when needed.

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Call being transferred to a human agent with context

Every call logged and analyzed

Full transcripts and insights from every call.

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Analytics dashboard showing call insights
Human-like & Multilingual

Built for India's many languages, ready for the world

Support global audiences with automatic language detection, multilingual voice synthesis, and real-time switching across major Indian and global languages.

HindiHindi
BengaliBengali
TamilTamil
HindiHindi
BengaliBengali
TamilTamil
TeluguTelugu
MarathiMarathi
GujaratiGujarati
HindiHindi
BengaliBengali
TamilTamil
TeluguTelugu
MarathiMarathi
GujaratiGujarati
EnglishEnglish
SpanishSpanish
FrenchFrench
GermanGerman
JapaneseJapanese
PortuguesePortuguese
EnglishEnglish
SpanishSpanish
FrenchFrench
GermanGerman
JapaneseJapanese
PortuguesePortuguese
Indian + global language coverage in one voice stack.

Frequently asked questions

Everything you need to know about ThreeTone and how it works.

ThreeTone is an AI-powered voice agent platform that handles inbound and outbound phone calls for your business. Your agents can answer customer questions, book appointments, qualify leads, send payment reminders, and more — all in natural voice, 24/7.

Ready to automate your calls?

Start building voice agents that work 24/7. No credit card required.