Recursive ENUM Queries Configuration To configure the Oracle® Enterprise Session Border Controller to query a DNS server for a hostname returned in an ENUM lookup result: In Superuser mode, type configure terminal and press Enter. ORACLE# configure terminal Type session-router and press Enter. ORACLE(configure)# session-router Type local-routing-config and press Enter. ORACLE(session-router)# enum-config ORACLE(enum-config)# recursive-query—Set this parameter to enabled for the Oracle® Enterprise Session Border Controller to query a DNS server for a hostname returned in an ENUM result. Save your work using the done command.