The Prescott Shovel Company wants to upgrade its Cisco Unity Express from a Cisco Unified CallManager Express integration to a Cisco Unified CallManager integration. Which statement is true?()
- A、A special hybrid license is required.
- B、The Cisco Unity Express license must be changed.
- C、The Cisco Unity Express license does not need to be changed.
- D、The license file names are identical, which allows them to be interchanged as long as the module itself is not being upgraded.
正确答案:B
答案解析:有

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