What is an AI Agent?
An AI Agent is your virtual receptionist, sales representative, or customer service agent. Each agent has its own personality, voice, knowledge base, and behavior settings. Agents can handle both inbound calls and make outbound calls through campaigns.Creating an Agent
Navigate to Agents in your dashboard and click Create Agent. The creation wizard guides you through three steps:Step 1: Describe
Tell SmartAlex what your agent should do in natural language:Step 2: Customize
Fine-tune your agent’s settings:| Setting | Description |
|---|---|
| Name | Your agent’s name (e.g., “Alex”, “Sarah”) |
| Voice | Choose from 50+ natural voices across multiple providers |
| Language | Primary language (English, Spanish, French, German, and more) |
| Personality | Preset templates for different industries |
| AI Model | GPT-4o, Claude, or Gemini for conversation intelligence |
Step 3: Deploy
Review your configuration and create the agent. The agent will be ready to take calls within seconds.Agent Configuration
After creation, you can further customize your agent:Knowledge Base
Upload documents or add text that your agent can reference during calls:- Business information
- Product catalogs
- FAQ content
- Service descriptions
Custom Instructions
Add specific behavioral rules:- How to handle certain questions
- When to transfer calls
- Information to always collect
- Topics to avoid
Call Settings
| Setting | Description |
|---|---|
| Call Slots | How many concurrent calls (2-10+ based on plan) |
| Recording | Enable/disable call recording |
| Voicemail | What to do when agent can’t answer |
| Transfer Number | Number to transfer urgent calls to |
Agent Status
Agents progress through these states:| Status | Description |
|---|---|
| Draft | Still being configured, not ready for calls |
| Creating | Being provisioned by the voice provider |
| Ready | Live and ready to take calls |
| Error | Configuration issue that needs attention |
Best Practices
Writing Effective Prompts
Writing Effective Prompts
Be specific about what your agent should do:Good example:Avoid vague instructions:
Choosing the Right Voice
Choosing the Right Voice
Match your voice to your brand:
| Business Type | Recommended Voice Style |
|---|---|
| Professional services | Calm, authoritative |
| Retail/hospitality | Friendly, upbeat |
| Healthcare | Warm, reassuring |
| Tech/startups | Modern, energetic |
Testing Before Going Live
Testing Before Going Live
Always use Quick Test before assigning a phone number:
- Click the Quick Test button on your agent
- Have a sample conversation
- Test edge cases (difficult questions, transfers)
- Review the transcript
- Adjust prompts as needed
Concurrent Call Slots
Each plan includes a number of call slots - the maximum concurrent calls your agents can handle:| Plan | Call Slots |
|---|---|
| Professional | 2 |
| Dental | 5 |
| Real Estate | 10 |
Agent Modes
SmartAlex agents support four modes to match different workflows and experience levels:| Mode | Description | Best For |
|---|---|---|
| Demo | Quick test with preset behavior | Evaluating the platform |
| Standard | Full customization with guided setup | Most businesses |
| Advanced | Complete control over all parameters | Power users and developers |
| Vibe | Describe what you want in natural language | Fast prototyping |
Supported AI Models
Choose the AI model that best fits your use case:| Model | Provider | Strengths |
|---|---|---|
| GPT-4o | OpenAI | Fast, versatile, great for general conversation |
| GPT-4o-mini | OpenAI | Cost-effective, good for simple tasks |
| Claude | Anthropic | Nuanced understanding, excellent instruction following |
| Gemini | Strong reasoning, multilingual |
Voice Providers
SmartAlex offers 50+ voices across multiple providers for natural, human-like phone conversations:- Cartesia Sonic-3: Emotion control, speed adjustment (0.6-1.5x), volume control
- ElevenLabs: Ultra-realistic voices, voice cloning
- OpenAI: Natural speech synthesis
- Deepgram: Low-latency, high accuracy

