@Azeem Shah I understand that you're experiencing issues with calls dropping immediately upon being answered when using the VAPI service. The error you're encountering on the Twilio side could be indicative of a problem with the integration between VAPI and Twilio, or it might be related to the configuration of your Twilio account or the VAPI service. To assist you further, I would need to know the specific error message or code you're receiving from Twilio. This information can help pinpoint the issue. If you could provide that, it would be very helpful. In the meantime, here are a few general steps you can take to troubleshoot the issue: 1. **Check Twilio Logs**: Look at the detailed error logs in your Twilio dashboard to see if there's more information about the error. 2. **Review VAPI Configuration**: Ensure that your VAPI integration settings are correctly configured, including the webhook URLs and any other relevant parameters. 3. **Network and Connectivity**: Verify that there are no network issues that might be causing the calls to drop. 4. **Test with Different Numbers**: Try initiating calls to different numbers to see if the issue persists across various carriers or if it's isolated to specific numbers. 5. **Contact Support**: If the issue continues and you're unable to resolve it with the information available, it might be best to reach out to VAPI or Twilio support for more detailed assistance. Please provide the specific error message or code from Twilio, and I'll do my best to assist you further.

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Got it. Tagging @User for additional help.