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### Answer To enable voicemail detection for a Vonage phone number in Vapi, you need to set the

voicemailDetection

settings when configuring your phone number. This can involve specifying settings such as

voicemailDetectionEnabled

,

voicemailMessage

, and other related parameters. Here's an example of how you might configure it when making an API request:

json
{
  "voicemailDetection": {
    "enabled": true,
    "voicemailMessage": "Please leave a message after the beep.",
    "provider": "vonage",
    "voicemailDetectionTypes": [
      "machine_end_beep",
      "machine_end_silence"
    ]
  }
}

This configuration will enable the system to detect voicemails based on the criteria you set, such as listening for a beep or silence indicating the start of a voicemail. Ensure you have the correct authorization and that your phone number is properly set up in Vapi to handle incoming calls with these settings [(1)]() . For more details on how to implement this setup via API, you can refer to the Vapi documentation on handling phone numbers and voicemail settings.