What dial-peer is supposed to be used and why is the call failing?

Use the router console to view the configuration and answer the question.

When a call is placed from the Branch Router phone to the PSTN number of 914085551212, the call is failing.

What dial-peer is supposed to be used and why is the call failing? Select 2 (two)
A . dial-peer voice 910 pots
B . dial-peer voice 9 pots
C . dial-peer voice 9001 voip
D . destination pattern is incorrect
E . prefix is missing from the dial-peer
F . the port assignment is incorrect in the dial-peer
G . the port number is missing in the dial-peer

Answer: BF

Explanation:

The dial 9, 910, and 9001 dial peer configurations are shown below:

Here we see that dial peer 9 and 910 match the same destination pattern, but 9 will be used first.

However, the port used should be 0/0/0:15 not 0/0/0:12.