# Debugging and troubleshooting the Amazon Chime SDK PTSN audio service
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Use the following information to help you diagnose and fix common issues that you might encounter when working with the Amazon Chime SDK PSTN audio service.

**Topics**
+ [Checking the logs for the Amazon Chime SDK PTSN audio service](check-logs.md)
+ [Debugging unexpected hangups in the Amazon Chime SDK PTSN audio service](unexpected-hangups.md)
+ [Debugging unexpected ACTION\_FAILED events](unexpected-action-fail.md)