Call flow designer FAQ

This article lists the most commonly asked questions about the call flow designer and how to use it.

1. My call flow is no longer working after I made some changes. What do I need to do to fix it and make sure my calls are getting delivered again?
   Follow the Fixing issues section at the end of this guide to revert your call flow to the last working state. Then, you can contact Smartnumbers Support for guidance about how to set up your desired use case.
2. Help, I accidentally deleted my call flow! What do I need to do to fix it and make sure my calls are getting delivered again?
   Follow the Fixing issues section at the end of this guide to revert your call flow to the last working state. Then, you can contact Smartnumbers Support for guidance about how to set up your desired use case.
3. Do I need to use a specific format for my audio files used in announcements and IVRs?
   Yes, the uploaded files need to be in waveform (.WAV) format. However, basically any WAV file you generate should work, barring really obscure formats like quadraphonic sound. For more info, please see the Audio files article.