Voice Settings
Select a voice from Hamsa’s library, filtered by language, gender, dialect (Arabic only), and style. Language is set automatically when you choose a voice. → See Voice Settings for full details.Call Behavior Settings
| Setting | Range | Default |
|---|---|---|
| Response Delay | 100–1500ms | 400ms |
| Interrupt | On / Off | On |
| User Inactivity Timeout | 5–60s | 15s |
| Max Call Duration | 30s – 1 hour | 5 min |
| Wait for User to Speak First | Never / Always / Outbound only | Never |
| Minimum Interruption Duration | 0.2–1.5s | 0.5s |
| VAD Activation Threshold | 0.2–0.9 | 0.5 |
LLM Settings
| Setting | Options | Default |
|---|---|---|
| Provider | OpenAI, Gemini, Groq, DeepMyst, Custom | OpenAI |
| Model | Varies by provider | GPT-4.1 |
| Temperature | 0.0–1.0 | 0.2 |
GPT-5 family models (GPT-5, GPT-5-Mini, GPT-5-Nano) require temperature = 1.0. This is set automatically when you select a GPT-5 model.
Audio Processing
Noise Cancellation — Removes background noise from the caller’s audio. Options: Disabled, Per Sentence, Per Conversation. Background Noise — Adds subtle ambient sound to the agent’s audio. Do not combine with Noise Cancellation. Thinking Voice — Adds natural filler words and pauses to the agent’s speech.Intelligence Features
| Feature | Description |
|---|---|
| Gender Detection | Detects caller’s likely gender and injects context into the conversation |
| Smart Call End | Automatically ends the call when the conversation concludes naturally |
| Speaker Identification (Beta) | Distinguishes multiple speakers on the same call |
| Agentic RAG | Multi-step reasoning for knowledge base retrieval |
| Language Dialect Switcher | Adapts Arabic speech recognition to the caller’s dialect |
Next Steps
Add Knowledge Base
Enhance your agent with reference documents
Integrate Tools
Connect custom functions and APIs
Configure Webhooks
Receive call events and data
Test Your Agent
Test before going live