Emergency calls from a Branch router phone is failing. From the router configuration information provided, why is this call failing?

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

Emergency calls from a Branch router phone is failing. From the router configuration information provided, why is this call failing?
A . The dial-peer port assignment is incorrect
B . the digit string prefix is missing
C . The destination pattern is incorrect
D . digit stripping needs to be performed

View Answer

Answer: C

Explanation:

The emergency dial peer configuration is shown below from the Branch routers:

Here we can see that 911 does not actually match the configured destination patterns.