An administrator is integrating a Cisco Unity Express module to a Cisco UCME system. A test call is placed to the Cisco Unity Express pilot number, but the administrator receives a busy signal. The dial-peer is configured as follows: dial-peer voice 4100 voip destination-pattern 41.. session protocol sipv2 session target ipv4:10.1.10.1 dtmf-relay sip-notify no vad How is this issue resolved?
A. The dial-peer needs to be reconfigured to support the G.711 voice codec.
B. The destination pattern needs to be changed to match the dialed number of 4100.
C. The dial-peer needs to be reconfigured to support vad.
D. The dial-peer needs to be reconfigured to support H.323 instead of SIP.
