March/2021 Latest Braindump2go 300-820 Exam Dumps with PDF and VCE Free Updated Today! Following are some new 300-820 Real Exam Questions!
QUESTION 80
Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)
A. unsolicited notify
B. RFC 2833
C. KPML
D. passthrough
E. H.245 user input indication
Answer: BE
Explanation:
https://www.cisco.com/c/dam/en/us/td/docs/voice ip comm/expressway/admin guide/Cisco-Expressway-Administrator-Guide-X12-6.pdf