Agent Configuration
Fine-tune how your agent sounds, handles calls, deals with voicemails, and what background noise it uses. 🎛️
🎙️ Voice Settings
Pick how your agent sounds:
| Setting | Description |
|---|---|
| Voice | Choose from lots of voices (ElevenLabs, Cartesia, and more) |
| Language | The language the agent speaks (e.g., English US, Spanish, French) 🌍 |
| Responsiveness | How fast the agent replies (0–1 scale; higher = quicker) |
| Interruption Sensitivity | How easy it is for the caller to interrupt (0–1 scale; higher = easier to interrupt) |
| Normalize for Speech | Makes the speech sound more natural |
| Voice Temperature | Controls how much the voice changes between sentences |
| Voice Speed | How fast or slow the agent talks |
🔊 Selecting a Voice
Browse and preview voices using these filters:
| Filter | Options |
|---|---|
| Gender | Male, Female |
| Accent | American, British, Australian, etc. |
| Age | Young, Middle-aged, Old |
| Provider | ElevenLabs, Cartesia, Minimax, Fish Audio |
Click the play button ▶️ next to any voice to hear a preview before you pick it.
📞 Test Call Transcript History
The Agent Builder keeps a history of test calls so you can review past conversations and compare agent behavior over time. View a list of previous test calls with timestamps and outcomes, open any past call to read the full transcript, and quickly spot patterns or regressions when tuning prompts.
📞 Call Settings
Control how calls work:
| Setting | Description |
|---|---|
| Max Call Duration | The longest a call can be before it ends automatically ⏱️ |
| End Call After Silence | Hang up if nobody talks for a while |
| Ring Duration | How long to ring before giving up (for outbound calls) |
| Denoising Mode | How background noise is handled: cancel noise only, or cancel noise + other voices talking |
🔢 DTMF (Keypad) Input
Let callers press buttons on their phone to interact:
| Setting | Description |
|---|---|
| Allow User DTMF | Turn on keypad input during calls |
| Input Timeout | How long to wait for a button press |
| DTMF Options | What each button does |
TIP
Keypad input is great for menus like "Press 1 for English, Press 2 for Spanish" or collecting numbers like dates and account IDs. 🔢
📭 Voicemail Settings
Set what happens when the call goes to voicemail:
| Setting | Description |
|---|---|
| Voicemail Detection | Turn voicemail detection on or off |
| Detection Timeout | How long to wait before deciding it's a voicemail |
| Voicemail Action | What to do when voicemail is found |
🎬 Voicemail Actions
| Action | Description |
|---|---|
| Hang Up | Just hang up right away |
| Leave Message | The agent leaves a voice message using your text 🗣️ |
| Static Text | Play a fixed message |
💬 Voicemail Message
When the action is "Leave Message," write the text the agent will say as a voicemail. You can use to fill in names or details, just like in prompts!
🔉 Background Sound
Add background noise to make calls feel more real:
| Setting | Description |
|---|---|
| Ambient Sound | The type of background audio |
| Volume | How loud the background sound is |
🎶 Available Sounds
| Sound | Description |
|---|---|
| Off | No background sound 🔇 |
| Coffee Shop | Chill café vibes ☕ |
| Convention Hall | Big room sounds 🏢 |
| Summer Outdoor | Outside in the summer ☀️ |
| Mountain Outdoor | Nature and mountain sounds 🏔️ |
| Static Noise | Soft static |
| Call Center | Office and call center sounds 🏢 |
🧠 LLM Model
Pick the AI brain that powers your agent's replies:
| Setting | Description |
|---|---|
| Model | The AI model used for the conversation (e.g., GPT-4.1, Claude 4.5 Sonnet) |
INFO
The model you pick changes how good, fast, and expensive the replies are. Smarter models give better conversations but might be a little slower and cost more. 💡