The SIP Container constructs the Contact header incorrectly when the application is running on a non-default listening point.
The Session Initiation Protocol (SIP) Container does not construct the Contact header field correctly when the
IBM WebSphere Application Server Version 8.5.5 Fix Pack 1 for all platforms, also known as Version 184.108.40.206
IBM WebSphere Application Server provides periodic fixes for the base and Network Deployment editions of release V8.5. The following is a complete listing of fixes for V8.5 with the most recent fix at the top.