Definition
Voice activity detection is a speech-system capability that helps decide when a caller has started or stopped speaking.
Glossary
What is voice activity detection?
What is voice activity detection?: plain-English definition, examples, related templates, and how the concept applies to AI phone workflows.
Examples
- Avoid talking over callers
- Detect pauses
- Time follow-up questions
- Handle noisy phone environments
How CallURL uses it
- Make the workflow callable
- Ask focused questions by phone
- Save structured data
- Trigger a next step or human handoff
Structured output schema
{
"outcome": "What is voice activity detection? outcome",
"fields": [
{
"description": "term captured during the call.",
"name": "term",
"required": true,
"type": "text"
},
{
"description": "workflow example captured during the call.",
"name": "workflow_example",
"required": true,
"type": "text"
},
{
"description": "caller goal captured during the call.",
"name": "caller_goal",
"required": true,
"type": "text"
},
{
"description": "structured output captured during the call.",
"name": "structured_output",
"required": true,
"type": "text"
},
{
"description": "next action captured during the call.",
"name": "next_action",
"required": true,
"type": "text"
}
]
}Quality gate
- Unique workflow artifact on the page
- Visible script, checklist, or question set
- Human handoff rules for sensitive calls
- Product CTA that creates a real Call App
- Internal links to related templates and compliance pages
How to use this resource
Build the first version
Use the page as a launch brief, not a finished policy document. Copy the prompt into the builder, keep the workflow limited to one caller intent, and test whether the first two questions collect enough context for a useful owner follow-up.
Review the output
Before publishing, check that the saved outcome has useful fields for the team: term, workflow example, caller goal. Remove fields that are not needed, and route regulated, urgent, or ambiguous calls to a person instead of forcing automation.
Measure quality
Track whether callers finish the flow, whether owners understand the summary, and whether handoff rules trigger at the right time. A useful Call App should reduce missed context, not just answer the phone with a longer script.
Improve the page
When this workflow starts getting impressions or demo calls, add real examples from the use case: a better transcript, a refined schema, integration notes, and clearer exclusions for cases the AI phone workflow should not handle.
FAQ
Who should use What is voice activity detection??
What is voice activity detection? is for teams that want a callable workflow instead of a static page or loose voicemail. It is most useful when callers need to explain context out loud and the team needs a repeatable result with term, workflow example, caller goal.
What should I customize before launching it?
Start with the definition, then edit the opening disclosure, required questions, handoff rules, and owner notification. Keep the first version narrow: one caller goal, one output schema, and one clear next action after the call.
How does this connect back to CallURL?
The page is written as a practical starting point for a real Call App. Use the visible prompt, schema, examples, and related workflow links to create a working phone flow, then test it with routine, incomplete, and sensitive caller scenarios.
What makes this page different from a generic AI phone agent page?
This resource is centered on a specific workflow artifact, not broad product copy. It includes concrete fields, handoff rules, related templates, and a demo entry point so a visitor can judge whether what is voice activity detection? fits their use case.
Related pages
Create this Call App
Use the prompt, schema, handoff rules, and examples on this page as the starting point for a working CallURL Call App.