Several employees are experiencing poor quality and interruptions during VoIP calls around the same time. After verifying that the VoIP software configurations are correct, which of the following is the BEST action to take to resolve the problem?
Switch to a different VoIP service provider as the current one may have a bad connection
Upgrade the VoIP software to the latest version
Check the QoS configurations on network devices to prioritize VoIP traffic.
Replace the employee's patch cable connecting their phone or computer to the network
The correct answer is checking the QoS configurations on network devices. VoIP is highly sensitive to network congestion and delays. Ensuring that Quality of Service (QoS) is configured correctly on network devices can help prioritize VoIP traffic and improve call quality by minimizing packet loss and jitter. Replacing patch cables would not likely resolve a network-wide problem. Upgrading the VoIP software could solve issues related to the software itself but doesn't address a network-specific problem like poor call quality. Lastly, switching to a different VoIP provider would be a drastic measure without first confirming network issues.
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What is QoS and how does it help VoIP traffic?
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What causes packet loss and jitter in a VoIP call?
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How do you verify and configure QoS on a network device?