This topic applies to WebSphere Application Server Liberty V8.5.5.9 and earlier. For the latest Liberty topics, see the WebSphere Application Server Liberty documentation.
Troubleshooting Session Initiation Protocol (SIP) on Liberty
Troubleshoot SIP by using the available log and trace facilities. You can use the default log and trace facility, or you can enable binary logging for high-performance, extensible logging and tracing.