300-820 practice question 7 of 30

A video device registered with Cisco UCM failed to make an outbound B2B call. From Expressway-C diagnostic logs, an engineer found that the…

A video device registered with Cisco UCM failed to make an outbound B2B call. From Expressway-C diagnostic logs, an engineer found that the destination pattern is “[email protected]:5061”, and the call was dropped with a 404 response code from Expressway-C. The search rule intended for this call-in Expressway-C is configured for Alias Pattern Match, Pattern type “Suffix,” and Pattern “example.com”. How must the configuration be changed to allow the call?

Answer options

A: Update the route pattern in Cisco UCM to send calls to "example.com" to the correct port.

B: Create a transform on Expressway-C to strip port numbers. Correct answer

C: Create a call policy rule on Expressway-E to allow calls to port 5061.

D: Update the call policy list in Expressway-C to allow calls to "example.com".

Correct Answer:

B. Create a transform on Expressway-C to strip port numbers.

Explanation

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