switch_rtpc3178 audio Handshake failure 1

This error message indicates a failure in the handshake process for establishing the Real-Time Transport Protocol (RTP) connection for audio transmission. The exact cause of the failure is not provided in the message and may require further investigation. Possible reasons for a handshake failure could include network connectivity issues, incompatible settings or configurations, or security/authentication issues. Troubleshooting steps may include checking network settings and connectivity, reviewing configuration settings, and verifying authentication credentials