REAL-TIME VOICE AI INFRASTRUCTURE4VF / VOICE FRAMEWORK

Build Better Voice AI.

The framework for
intelligent conversations.

Bring voice, reasoning and action into one continuous flow.

THE CONVERSATION SCOREONE VOICE. EVERY LAYER CONNECTED.
The 4VF conversation scoreA voice waveform opens into parallel paths for context, tools and routing, then reunites as a spoken response. Select a stage below to explore. VOICE / INPUTVOICE / OUTPUT01 — LISTEN02 — CONNECT03 — RESPOND KNOWLEDGE TOOL CALL ROUTING LOGIC Voice opens into knowledge, tools and routing, then returns as a response. · KNOWLEDGE· TOOLS· ROUTING

A voice becomes an intent.

Interactive simulation · no audio or microphone

Voice agents. Workflows. Telephony.
All in conversation.

Explore the framework
01GIVE EVERY WORD A WAY FORWARD

A conversation.
A thousand possibilities.

Give your voice agents the context to understand and the tools to act. Shape what happens next with workflows you can read.

Explore Voice Agents
CONVERSATION / 001ILLUSTRATIVE PLAYGROUND
THE HUMAN SIDE
CALLER

“Can you move my appointment to Friday?”

4VF AGENT

“Let me check which times are available.”

INTENT RECOGNIZEDreschedule_appointment
STT ListenLLM ReasonTTS Speak
THE FRAMEWORK SIDE SELECT A PATH ↓
VOICE AGENTUnderstand the intent
TOOL EXECUTION Complete
calendar.check_availability({ day: "Friday" })

Available times returned. The agent can offer a new slot.

A conversation can branch. The context stays connected.Explore Workflows
01 / INTELLIGENCE

Context before action.

Connect prompts, knowledge and tools to the conversation.

02 / ORCHESTRATION

Your logic. In the loop.

Make decisions, conditions and handoffs explicit in the flow.

03 / VOICE STACK

Choose each layer.

Keep STT, LLMs and TTS modular with provider-neutral boundaries.

02CONNECT THE CONVERSATION

Different ways in.
One connected system.

From a phone line to your application. Bring calls into the framework, route with context, and keep a human within reach.

Explore Telephony
Follow the connectionILLUSTRATIVE ROUTING
Incoming callPHONE NETWORK
4VFVOICE FRAMEWORK
PHONE → 4VF → VOICE AGENT

Route inbound calls to an agent, a queue or the right person.

The agent continues with context and tools.

Numbers & SIPInbound & outboundQueues & transfersDTMF & routing
03KEEP THE WHOLE PICTURE

Nothing lost
between the lines.

The transcript is only part of the story. Follow the reasoning, inspect a tool call, and see why a conversation took its path.

Build with the framework
EXECUTION TRACESAMPLE EVENTS

One conversation. An inspectable chain of events.

tool.completed.json
{
  "event": "tool.completed",
  "conversation": "example_001",
  "tool": "calendar.check_availability",
  "input": { "day": "Friday" },
  "result": { "slots_found": 3 }
}
Illustrative payload · not an API contract
THE NEXT CONVERSATION STARTS WITH YOU.

Make yourself
heard.

Build Better Voice AI.
With a framework that connects it all.