Study tips 642-427

How does the echo canceller interpret a signal when the ERL value is too low?

Click the matching criteria for inbound POTS call on the left and drag them to the order of selection on the right.

Which QoS mechanism can help avoid this problem?

Where should you look to diagnose the problem?

What are the two most common causes of echo?

which three conditions must exist?

what is the most likely cause of this problem?

What is one possible cause of this issue?

Which two issues could cause this problem?

Which Cisco Unity troubleshooting tool would be used to diagnose problems with skinny and MWI messages?