You need to troubleshoot and resolve the issue User1 is reporting.
Which action should you perform to resolve the issue?
A . Troubleshoot the Quality of Service (QoS) configuration.
B . Verify that User1 has selected the new headset.
C . Modify the client configuration to not use
D . 722 codec.
E . On the public switched telephone network (PSTN) trunk, verify the aLaw/µLaw configuration.
Answer: B