Refer to the exhibit A. CUBE Cluster is working in HSRP box-to-box failover model. When the phone A calls Cisco WebEx meeting server to start a conference session, no DTMF tones are recognized. Which configuration change will fix this problem when configured on both CUBEs?
A. Voice-class sip asymmetric payload dtmf in dial-peer configuration
B. dtmf-relay rtp-nte digitdrop in the dial-peer configuration
C. Media flow-around under voice service voip configuration
D. Modem relay nse payload-type101 under global sip configuration
E. Asymmetric payload full configured under global sip configuration
