An organization wants to be able to call IP addresses and URI addresses.

Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E

Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E

Use search rules to manage calls to IP addresses, and the direct/indirect setting on the Expressway is used as a fallback only if the search rules do not exist

Set calls to unknown IP addresses to indirect on the Expressway-C and direct on the Expressway-E, and add a search rule on the Expressway-E