Assuming that an MGCP gateway is configured with a ISDN BRI interface, which BRI changes resolve the issue?

Refer to the exhibit.

A customer submits this output, captured on a Cisco IOS router.

Assuming that an MGCP gateway is configured with a ISDN BRI interface, which BRI changes resolve the issue?
A . interface BRI0/1/1
no ip address
isdn switch-type basic-net3
isdn incoming-voice voice
isdn send-alerting
isdn static-tei 0
B . interface BRI0/1/0
no ip address
isdn switch-type basic-net3
isdn point-to-multipoint-setup
isdn incoming-voice voice
isdn send-alerting
isdn static-tei 0
C . interface BRI0/1/1
no Ip address
isdn switch-type basic-net3
isdn point-to-point-setup
isdn incoming-voice voice
isdn send-alerting
isdn static-tei 0
D . interface BRI0/1/1
no ip address
isdn switch-type basic-net3
isdn point-to-multipoint-setup
isdn incoming-voice voice
isdn send-alerting
isdn static-tei 0

View Answer

Answer: C