/mcp© 2023 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information 13 Configuration Error History: Troubleshoot For registration issues capture CUCM SDL/SDI traces and run the following debugs on the gateway debug voip application session debug ccsip messages debug ccsip states debug ccsip error For auto-configuration issues run the debug debug ccm-manager config-download all Related Information Configuring the Cisco Fourth-Generation T1/E1 Voice and WAN Network Interface Module
