Contact Header URI Replacement

When no GRUU is encountered in the contact header, and when a SIP message is forwarded to the egress realm, the contact header’s URI is replaced with the Oracle® Enterprise Session Border Controller’s egress interface. For example:

When the Oracle® Enterprise Session Border Controller forwards a request where the original Contact header contains a GRUU, the contact header’s URI is forwarded unchanged on the egress side of the call. For example: