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Voicemail Detection
# support
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@Benjamin E. Hello! I'm glad to hear that the voicemail detection is working well for you most of the time. Achieving 100% accuracy in voicemail detection can be challenging due to the variability in voicemail greetings and call pickup behaviors, but we can certainly work towards improving the accuracy. The parameters you've set for voicemail detection seem to be well-thought-out. However, if you're experiencing occasional misidentification, we can consider a few adjustments: 1. **Machine Detection Timeout**: You might want to increase the 
machineDetectionTimeout
from 5 seconds to give the system more time to analyze the call and determine if it's a voicemail. This could help in cases where the voicemail greeting is longer than usual. 2. **Speech Thresholds**: Adjusting the 
machineDetectionSpeechThreshold
and 
machineDetectionSpeechEndThreshold
might also help in differentiating between a human and a voicemail system more accurately. 3. **LLM-based Voicemail Detection**: If we have released an update with LLM (Large Language Model) based voicemail detection, it would be designed to improve accuracy by analyzing the content of the call more deeply. If this feature is available, it would be beneficial to enable it. 4. **Voicemail Tool**: Adding a specialized voicemail tool could indeed make the detection more robust. This tool would likely use advanced algorithms or AI to analyze the audio more effectively. If such a tool is available, it could be added either through the UI or by modifying the configuration, depending on how the system is designed. Since you mentioned the possibility of a voicemail tool, I would recommend checking if such a tool is available in the UI or reaching out to support for guidance on how to integrate it. If you need further assistance with adjusting the parameters or have any other questions, please let me know!
b
What values do you recommend for machineDetectionSpeechThreshold & machineDetectionSpeechEndThreshold
@Shubham Bajaj Hey man. It seems like the bot doesn't work when I respond to it, and for "ASk for help" button fails too
s
Hey @Benjamin E. can you enable twilio voice mail for your assistant and they try? FYI: if you don't se the voicemail messages then voicemail calls won't end with reason 
voice-mail-detected
. Enable this for your assistant and it will work.
Copy code
json
  "voicemailDetection": {
    "provider": "twilio",
    "enabled": true,
    "voicemailDetectionTypes": [
      "machine_end_beep",
      "machine_end_other",
      "machine_end_silence",
      "machine_start",
      "unknown"
    ],
    "machineDetectionTimeout": 5,
    "machineDetectionSpeechThreshold": 2400,
    "machineDetectionSpeechEndThreshold": 1000,
    "machineDetectionSilenceTimeout": 3000
  }
Do let me know how it goes.
Hey @Benjamin E. can we close this ticket?
b
Yes. I thought it was removed actually
s
Hey did you got chance to look into voicemail detection doc?
b
Hi @Shubham Bajaj Thank you for sharing. Yes, I have taken a look. I’ll get the chance to test today and I’ll get back to you on how it works
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