Refer to the exhibit.
Refer to the exhibit. An engineer is troubleshooting why PSTN phones are not receiving the caller’s name when called from a remote Cisco UCM site. An ISDN PRI connection is being used to reach the PSTN What must the administrator select to resolve the issue?
A. isdn supp-service name calling
B. isdn outgoing display-ie
C. isdn enable did
D. isdn send display le
B: Reference: https://community.cisco.com/t5/collaboration-knowledge-base/caller-id-display-over-isdn-pri/ta-p/3162883