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