OC-Release-Correlation-ID header is a custom SIP header used by Sentinel VoLTE SCC-AS to request that a correlation ID is released.
This header is inserted in internal
MESSAGE requests that are forwarded between Sentinel VoLTE SCC-AS nodes.
The header name is
OC-Release-Correlation-ID and its value is a correlation ID to be released.
The header does not have any special parameters.
The header is used extensively by the Service Centralisation Features. See the individual feature pages for specifics on where it is set and used. It is also used by the SCCDetermineSessionType feature.