Natural
conversation pauses.
When AI is processing, Filler Audio fills the pause with natural conversational sounds. The conversation stays human, fluid, and professional.
- GDPR compliant
- EU hosted
- Live in 1 week
Powered by
- Anthropic
- OpenAI
- ElevenLabs
- Deepgram
- Cartesia
- Twilio
- Gladia
- AWS
- Microsoft Azure
- Cloudflare
- Google Gemini
What the agent does here
The parts of this feature teams use first on a live call.
Natural filler sounds
Fillers like “Hmm” or “One moment” play while the AI thinks.
Adjustable per assistant
Tone and frequency of fillers match the persona: formal or casual.
Latency bridging
Fillers cover think-time so callers don’t hang up.
Numbers that matter
perceived latency
-40%
call completion
+18%
configurable
100%
activation delay
<50ms
Customer story
“With Filler Audio, our agents feel much more human. Customers no longer hang up when the AI thinks for half a second: drop rate fell by 35%.”
What ships with this feature
Each part of this feature, ready to run together from day one.
Natural filler sounds
Fillers like “Hmm” or “One moment” play while the AI thinks.
Adjustable per assistant
Tone and frequency of fillers match the persona: formal or casual.
Latency bridging
Fillers cover think-time so callers don’t hang up.
Your own audio files
Upload your own MP3/WAV fillers: brand sound or your own phrases.
Smart activation
Fillers only on real pauses, not on short interruptions.
A/B-test different fillers
A/B-test filler phrases. Analytics show completion rates per setup.
Live in a few steps
No lengthy setup: most teams are live the same week.
- 01
Enable Filler Audio
Open assistant settings and enable “Filler Audio” under General. Pick an existing library or upload your own files.
- 02
Set type and frequency
Set which pauses trigger fillers (e.g. from 1.5 seconds) and which phrases rotate.
- 03
Test and tune
Start a test call and check that fillers sound natural. Adjust the threshold and phrases if needed.
Live Demo
Sounds unreal? Try it now with a free test call
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More from the platform
Other building blocks teams usually pair with this one.
Questions before you go live
Filler Audio starts when the processing pause exceeds a configurable threshold (default: 1.2 seconds). Shorter pauses stay uncovered: they already sound natural.
Make AI conversations more natural and human?
Enable Filler Audio in your assistant. Free to try.
No credit card required · GDPR compliant · first agent live in under a week


