Refer to the exhibit.
An IP phone user cannot log in to their Cisco Unity Connection voice mailbox with their PIN.
Which command will most likely resolve the issue?
A.
dtmf-relay rtp-nte
B.
mgcp dtmf-relay CODEC all mode out-of-band
C.
dtmf-relay h245-alphanumeric
D.
dtmf-relay sip-notify
Explanation:
Reference, Student Book 2-165 (Vol. 1)