What are Call Duration Limits?
Bolna Voice AI lets you set a maximum call duration (in seconds) for automatic termination. Once the limit is reached, the call ends automatically, providing a safety net against unexpectedly long calls.
Why Set Duration Limits?
Control Costs
Prevent unexpectedly long calls from consuming credits
Manage Resources
Ensure fair allocation of concurrent call capacity
Safety Net
Protect against edge cases where calls do not end naturally
Predictable Billing
Better forecast and manage calling expenses
Learn more about call pricing and outbound calling concurrency.
Compatibility
| Call Type | Support |
|---|---|
| Outbound calls | ✓ Fully supported |
| Inbound calls | ✓ Fully supported |
Duration Limits vs. Hangup Prompts
| Feature | Duration Limits | Hangup Prompts |
|---|---|---|
| Trigger | Hard time-based cutoff | Context-aware conversation analysis |
| Accuracy | 100%, always triggers at set time | Prompt-dependent, may need tuning |
| Use case | Safety net for runaway calls | Natural, intelligent call endings |
| Configuration | Set duration in seconds | Write a custom evaluation prompt |
Related Features
Hangup Settings
Configure silence detection and hangup prompts
Call Status List
Monitor the full lifecycle of your calls
Hangup Status Codes
Understand call termination reasons