FreeSWITCH RTP Handshake Failure: Troubleshooting Guide

This error usually indicates a handshake failure while processing RTP streams. Potential causes include network connectivity issues, firewall restrictions, or SIP configuration problems.

Here are some possible solutions:

1. Verify network connectivity and ensure all relevant devices can communicate properly.

2. Check firewall settings to allow RTP traffic.

3. Review SIP configuration and ensure all parameters are set correctly.

4. Try using different RTP ports or codecs.

5. If NAT is used, make sure it's configured correctly.

If these solutions don't work, it's recommended to thoroughly examine the error logs for more details and debug accordingly.