Which two actions correct the problem?

After you deploy a new Cisco Collaboration solution, users report echoes and choppy voice quality.

Which two actions correct the problem? (Choose two.)
A . Upgrade the Cisco IOS version and flash memory on the Cisco IOS router.
B . Deploy additional hardware resources
C . Deploy an echo canceller.
D . Upgrade Cisco Unified Communications Manager.
E . Enable QoS on the network.

View Answer

Answer: CE