> ## Documentation Index
> Fetch the complete documentation index at: https://docs.callhq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

## CallHQ: Create and deploy Voice AI Agents

Learn how to build conversational voice agents using CallHQ AI to automate lead qualification, enhance sales performance and improve customer support operations

With CallHQ voice agents, you can:

* Conduct natural, human-like conversations over the phone
* Make and receive calls using cloud telephony
* Integrate with your APIs, CRMs, and internal tools
* Automate workflows such as sales outreach, customer service, lead qualification, and recruitment

## How Voice Agents Work

Each CallHQ voice agent is powered by three core components:

<CardGroup cols={3}>
  <Card title="Speech-to-Text" icon="microphone" iconType="solid">
    Converts spoken input from callers into text for processing
  </Card>

  <Card title="Language Model" icon="brain" iconType="solid">
    Interprets user intent and generates contextual, dynamic responses
  </Card>

  <Card title="Text-to-Speech" icon="volume-high" iconType="solid">
    Converts the agent’s responses into natural-sounding speech
  </Card>
</CardGroup>

You have full control over these components, with support for leading providers such as OpenAI, Deepgram, ElevenLabs, Google Cloud, and more.

## Ways to Build Voice Agents

CallHQ supports two primary modes for building and deploying agents:

<CardGroup cols={1}>
  <Card title="Assistants" icon="robot" iconType="solid" href="/assistants/system-prompts">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    **Ideal for:** Simple conversation flows with minimal setup\
    Assistants are powered by a single prompt and are suited for:

    * Conversational Flow
    * Dynamic Q\&A scenarios
    * Quick deployment without custom logic
  </Card>
</CardGroup>

## Key Capabilities

* **Low-latency conversations**: Sub-second response time with smooth turn-taking
* **Telephony integration**: Make or receive calls from real-world phone numbers
* **Web embedding**: Add live voice chat to your website or app
* **Custom integrations**: Trigger APIs, access databases, and update CRMs
* **Workflow automation**: Design complex logic with no-code or low-code tools

## Choose Your Implementation Path

<CardGroup cols={2}>
  <Card title="Phone Call Integration" icon="phone" iconType="solid" href="/phonecalls">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    * Set up voice agents for inbound or outbound calling
    * Automate tasks like follow-ups, callbacks, or qualification
    * Start with no code via the CallHQ dashboard
  </Card>

  <Card title="Website Integration" icon="browser" iconType="solid" href="/webcall-widget">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    * Add a floating voice assistant button to your website
    * Configure assistant, color, and position in seconds
    * Let users talk to your AI agent directly via browser
  </Card>
</CardGroup>

## Common Use Cases

<CardGroup cols={3}>
  <Card title="Customer Support Automation" icon="headset" iconType="solid" href="/sample-assistants/customer-support-assistant">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    <div className="vapi-badge vapi-badge-assistant">Built with Assistants</div>
    Deploy voice agents to handle FAQs, check ticket status, and escalate complex queries to human agents.
  </Card>

  <Card title="Sales & Lead Qualification" icon="phone-office" iconType="solid" href="/sample-assistants/lead-qualification-expert">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    <div className="vapi-badge vapi-badge-workflow">Built with Workflows</div>
    Automate outbound calls to qualify leads, gather data, and route high-intent contacts to sales teams.
  </Card>

  <Card title="Appointment Scheduling" icon="calendar-check" iconType="solid" href="/sample-assistants/appointment-scheduling-assistant">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    <div className="vapi-badge vapi-badge-workflow">Built with Workflows</div>
    Allow callers to book appointments by checking availability in real-time and confirming via voice.
  </Card>

  <Card title="Information Collection" icon="briefcase" iconType="solid" href="/sample-assistants/info-collector-assistant">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    <div className="vapi-badge vapi-badge-workflow">Built with Workflows</div>
    Systematically gather necessary data from customers, ensuring accuracy, completeness, and adherence to compliance standards.
  </Card>

  <Card title="Medical Coordinator" icon="hospital" iconType="solid" href="/sample-assistants/care-coordinator-assistant">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    <div className="vapi-badge vapi-badge-workflow">Built with Workflows</div>
    Guide patients through appointment scheduling, provide accurate information about services, and answer basic health-related questions with empathy and professionalism.
  </Card>

  <Card title="Feedback Gathering" icon="book" iconType="solid" href="/sample-assistants/feedback-gatherer-assistant">
    <div className="absolute top-4 right-4">
      <Icon icon="arrow-up-right-from-square" />
    </div>

    Conduct surveys and collect customer or market feedback in an engaging, conversational way.
  </Card>
</CardGroup>