An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter.
Which two areas does the engineer check to prevent jitter? (Choose two.)

What is required for Cisco UCM to accept SIP calls with a URI in the format of "sip
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What happens when a Cisco IP phone loses connectivity to the duster during an active call?

Refer to the exhibit. An engineer must modify the existing QoS policy-map statement to implement LLQ for voice traffic. Which change must the engineer make in the configuration?

If a trust boundary is placed on a Cisco IP phone, what occurs with the packets that come to the phone from a PC?