Two Cisco Unified Communications Manager clusters have recently been installed. One is in Tokyo and the other in Chicago connected by a WAN link. You have started the configuration of a SIP trunk and you are integrating the dial plans. All phones in Tokyo can call all phones in Chicago, but no phones in Chicago can call Tokyo phones. Which two statements are possible causes? (Choose two.)
A. The CSS of the Chicago phones does not include the partition of the route pattern to point to Tokyo.
B. The SIP trunk in Chicago is in a CSS that is not in the partition of the Chicago phones.
C. The Tokyo SIP trunk inbound CSS does not contain the partition of the Tokyo phones.
D. Tokyo phones are in a CSS that is not in the partition of the route pattern to call from Tokyo to Chicago.
E. The SIP trunk is configured from Tokyo to Chicago, but not from Chicago to Tokyo.
