The "500 Internal Server Error" is a generic error message with multiple potential causes.
|Status: 500 Internal Server Error
Confirm the Username and Password are correct.
If that does not resolve the issue, a detailed description of the problem may be available found under the Session Initiation Protocol > Message Header section.
If Message Header does not provide a cause for the error, you may need to contact the Proxy technical person or manufacturer support.
Other settings to check:
- Verify and if necessary change the transport type on the Biamp VoIP endpoint.
- Some vendors support "Both" for the Transport type. Biamp VoIP endpoints must be set to a single option to work (UDP, TCP, or TLS).