TOOL
VoIP Speed Test
Start a VoIP speed test to check if your internet connection meets VoIP network requirements. Test your connection in seconds for quality metrics like Jitter, MOS, Packet Loss, and latency to ensure high call quality.
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What Do My Results Mean?
After the speed test for VoIP call quality, your results are grouped into
four simple levels. Each level shows how well your internet connection can
handle VoIP calls.
Poor
A ‘Poor’ result means your connection is not suitable for VoIP. You may experience broken audio, delays, and dropped calls.
Fair
VoIP calls may work, but call quality can fluctuate. You may notice occasional lag, choppy audio, or short interruptions, especially during peak usage.
Good
The connection supports clear and stable VoIP calls. Most business and personal calls should run smoothly with minimal delay or distortion.
Excellent
The connection is ideal for VoIP. Calls remain clear and consistent, even during long conversations or when handling multiple calls at once.
Technical Term Definition
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Latency is the time it takes for voice data to travel from one point to another. Lower latency means faster responses and more natural conversation. On the other hand, high latency causes noticeable delays. For clear VoIP calls, the ideal latency is below 150 ms. If your online speed test tool for VoIP shows a latency above 300 ms, you're very likely to experience call quality issues such as delays or overlapping speech.
Jitter is the variation in how quickly your voice packets reach the other side during a call. It is often affected by network congestion, unstable Wi-Fi, or background downloads. For VoIP, your jitter should stay below 20 ms. When jitter is low, audio sounds smooth and steady. If it rises above 30 ms, your voice may sound choppy or robotic during the call.
Packet loss happens when voice data fails to reach its destination during a call. Even a small packet loss can cause missing words or sudden silence. This data should always stay below 1% for clear and consistent sound quality. If packet loss rises above 2–3%, you will experience broken audio, missing words, and frequent call interruptions.
MOS rates your overall VoIP call clarity on a scale from 1 to 5. A higher score means clearer audio and smoother conversations. As the score drops, the call quality also declines with noticeable distortion or unclear speech. For clear calls, your MOS should always be above 4.0 in your VoIP speed testing tool.
Throughput measures how much voice data your internet connection can transmit in real time during calls. You should have at least 100 kbps per call available in both upload and download for calls to be clear and interruption-free. If throughput drops below this level, calls may break, lag, or disconnect frequently.
Audio bitrate shows how much data is used to carry your voice during a VoIP call, usually measured in kbps. Higher bitrates deliver more precise and natural audio, while very low bitrates mean reduced clarity. For most VoIP calls, an audio bitrate between 64 kbps and 100 kbps provides clear and reliable sound.
Beyond basic network data, Calilio's VoIP speed
test tool also provides deeper insights into
quality metrics like:
Call capacity shows the number of VoIP calls your internet connection can support at the same time without affecting audio clarity. The result is based on available bandwidth, throughput, and network consistency. A higher call capacity means your network can handle multiple calls without delays or dropouts. If this number is low, adding more calls can quickly lead to poor call quality.
Call stability shows how consistently your network can maintain clear VoIP calls over time. It reflects how latency, jitter, and packet loss behave during active communication. Results appear as Stable, Moderate, or Unstable. An unstable result often leads to choppy audio or sudden call drops.
The Calilio CX Score is a customer experience index rated from 1 to 5. It is calculated using MOS, round-trip time (RTT), jitter, and packet loss. Higher scores indicate better call experience, while lower scores signal a noticeable drop in call quality. This score translates technical network data into how callers are likely to feel during conversations.
How the VoIP Speed Test Works?
The online speed test for VoIP works by calculating how well your internet connection handles real-time voice traffic. It begins by sending and receiving small voice-like data packets, then measures how fast, consistent, and reliable that delivery is. Based on this process, the test generates clear results that reflect actual VoIP call performance.
Step 1
Hit the Start VoIP Test button.
Step 2
The system checks your network quality and speed.
Step 3
Your result is shown as Poor, Fair, Good, or Excellent.
Step 4
Detailed metrics are displayed, including latency, jitter, packet loss,
MOS, audio bitrate, and throughput.
Tips to Improve VoIP Quality
Use a wired connection whenever possible.
An Ethernet connection provides a direct and stable data path for voice traffic. It reduces jitter and packet loss that often occur on Wi-Fi networks. Wired connections also handle multiple calls better, especially useful in offices or shared networks.
Reduce background internet usage
Improve Wi-Fi signal strength
Check and upgrade network equipment
Enable Quality of Service (QoS)
Run VoIP speed tests regularly
Frequently asked questions
What is jitter?
Jitter is the variation in how evenly your voice packets arrive during a call. When jitter stays low, audio sounds smooth. If it rises, voices can sound choppy or robotic. A VoIP speed test helps you spot jitter issues fast.
What is a good speed for VoIP?
Why do I need a special test for VoIP?
Can this test be used for my business VoIP system?
Still have questions?
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