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37009: WhatsApp Voice: Voice application not configured

ERROR: 37009

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PROGRAMMABLE VOICE
ERROR

Description

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The user-initiated WhatsApp call failed because no voice application (TwiML application) is configured on the WhatsApp Sender.

Possible Causes

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Your WhatsApp Sender does not have a voice application configured.

Possible Solutions

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Please configure a voice application on the WhatsApp Sender either in Console or using Twilio API. For more details, please refer to Configure your sender for WhatsApp Business Calling.