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A frozen screen, choppy audio, or a call that disconnects can make even a simple meeting feel harder than it needs to be.   #### Jump to a Section^ 1. [Why do video calls buffer or drop in the first place?](https://www.t-mobile.com#why) 2. [Check your internet connection before important calls](https://www.t-mobile.com#check) 3. [Make your Wi-Fi and router work harder for you](https://www.t-mobile.com#work) 4. [Reduce device strain so calls can run more smoothly](https://www.t-mobile.com#strain) 5. [Know when your connection needs more than a quick fix](https://www.t-mobile.com#fix) - Share "Video Call Tips: Improve Quality, Connection Stability, and More " on X - Share "Video Call Tips: Improve Quality, Connection Stability, and More " on Facebook - Share "Video Call Tips: Improve Quality, Connection Stability, and More " on LinkedIn In this article, we will share video call tips that may help reduce buffering, limit interruptions, and support better call quality by focusing on your internet connection, [home Wi-Fi](https://www.t-mobile.com/home-internet/plans) setup, and device performance.  ## 3 Key takeaways about video call connection - A video call depends on more than download speed. Upload performance, latency, Wi-Fi signal strength, and device performance can all play a role in how smooth the call feels. - Simple network changes may help. Moving closer to the router, using a wired connection when available, pausing large downloads, and reducing the number of active devices can help give your video call more room to work. - When problems happen, a few quick adjustments may improve the experience. Lowering video quality, restarting the app, turning off background traffic, or switching networks can sometimes help restore a smoother connection. ## Why do video calls buffer or drop in the first place? Buffering and dropped calls can happen when your device has trouble sending and receiving video data consistently. Common causes include a weak Wi-Fi signal, network congestion, high latency, limited upload performance, or device strain.  Video calls do more than play a video stream. Your device may be sending your voice, camera feed, screen shares, and real-time meeting updates while also receiving data from other participants.  That is why a connection can seem fine for browsing but still feel unstable during a call. Web pages often load in short bursts. Video calls work best when data can move more steadily. When that flow is interrupted, you may notice freezing, delayed audio, blurry video, or a disconnected call.  ## Check your internet connection before important calls A quick connection check before a meeting can help you spot potential issues. It may be useful to look beyond download speed and consider whether your connection is stable enough for video, audio, and screen sharing.  The table below shows common connection factors that can affect call quality and how they may show up during a video meeting. | Connection factor | What it affects | Why it matters for video calls | |-------------------|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------| | Upload speed | Sending your camera and microphone data | Supports outgoing video and audio quality. About 1 Mbps is the minimum and 5 Mbps is recommended for video calls | | Download speed | Receiving other people’s video and shared content | Helps with incoming video, audio, and presentations. About 1 Mbps is the minimum and 5 Mbps is recommended for video calls | | Latency | Delay between your device and the meeting platform | Lower latency can help conversations feel more responsive. Under 50 ms is a good target | | Bandwidth | How much data the network can handle at once | Can matter when several devices are online at the same time | | Signal strength | Wi-Fi quality at your device | A stronger signal may help reduce interruptions related to weak Wi-Fi | If you run a speed test, try not to focus on download speed alone. Upload speed is especially important for video calls because your camera and microphone are sending data during the meeting. Latency can also affect the experience because delays may cause people to talk over one another or make audio feel out of sync.  It can also help to test when your network is busy. Evening hours, large downloads, cloud backups, streaming, and gaming can all use the same connection. A meeting that feels smooth at one time of day may feel different when more devices are active.  ## Make your Wi-Fi and router work harder for you Wi-Fi is convenient, but wireless performance can vary based on distance, walls, interference, router placement, and the number of devices using the network. For important meetings, a wired connection can be worth trying if your device and setup support it.  [Using Ethernet](https://www.t-mobile.com/home-internet/the-signal/speed/ethernet-vs-wifi) can help remove some Wi-Fi-related variables between your device and the router. That does not guarantee a perfect call, but it may help if weak wireless signal or interference is part of the issue.  If Ethernet is not an option, try moving closer to the router. Distance, walls, and nearby electronics can affect signal quality. Even a small move to a more open spot may help improve stability.  A router reboot may also help when performance has become inconsistent. It can clear some temporary issues and refresh the connection. If the problem keeps coming back, the cause may be related to placement, congestion, equipment age, or overall household usage.  Here are a few practical changes that can help reduce buffering on video calls:  - Use Ethernet for important meetings whenever possible. - Sit closer to the router if you are on Wi-Fi. - Pause cloud backups, large downloads, and streaming during calls. - Put the router in a central, open spot instead of hiding it in a corner. - Restart the router if the connection has been unstable for a while. ## Reduce device strain so calls can run more smoothly Your internet connection is only part of the video call experience. If your laptop, tablet, or phone is overloaded, the call may lag or freeze even when the network is working well. When a call starts to struggle, it can help to protect audio first, since clear sound is often more important than sharp video during a meeting.  ### Close apps and browser tabs you are not using Background activity can use memory, processing power, and bandwidth, leaving fewer resources available for your video call. This can matter even more on older devices.  ### Keep your conferencing app and operating system updated Updates may include bug fixes, security improvements, and performance enhancements that can help apps run more smoothly. If your device has been running for a long time, restarting it before an important meeting may also help clear temporary slowdowns.  ### Choose the lowest video quality that still fits the situation High-definition video may look sharper, but it can use more bandwidth and require more from your device and network. If the connection is under pressure, lowering video quality may help the call continue with fewer interruptions.  If the call is still unstable, leaving and rejoining the meeting may help reset the app connection. If the same issue happens across multiple calls, devices, or apps, it may be worth looking more closely at the router, device, or internet connection.  ## Know when your connection needs more than a quick fix Some video call problems are one-time glitches. Others may be a sign that your setup needs attention.  If buffering happens often, look for patterns. Does it happen at the same time each day? Does it happen when multiple people are streaming, gaming, downloading, or joining calls? Repeated slowdowns during busy household hours may point to network congestion.  If the problem happens even when the network is quiet, the issue may be related to Wi-Fi signal, router placement, device performance, equipment limitations, or the internet connection itself.  If you rely on video calls for work or school, it may be worth comparing your current setup with how your household actually uses the internet. Streaming devices, smart home gadgets, cloud backups, gaming, and call-heavy workdays can all add up. In some cases, better router placement, a wired connection, updated equipment, or a connection plan that better fits your usage may help support a more reliable experience.  ## FAQs about improving video call quality __Why does my video call buffer even when my speed test looks good?__  A speed test only shows a snapshot of your connection at a specific moment. A call can still buffer if the network becomes congested, latency increases, the Wi-Fi signal weakens, or your device is under strain.  __Is upload speed more important than download speed for video calls?__  Upload speed is especially important because your device sends your video and audio to the meeting. Download speed also matters because your device receives video, audio, and shared content from others.  __How can I tell if Wi-Fi is the reason my call keeps dropping?__  Wi-Fi may be contributing if the call improves when you move closer to the router, switch rooms, or use Ethernet. Frequent dropouts in one area of the home but not another can also point to signal-strength issues.  __Does using Ethernet really help video quality?__  Ethernet can help reduce some issues related to Wi-Fi signal strength or wireless interference. It may be a good option for important calls when your device and setup support it.  __What should I close before joining a video meeting?__  Close apps, browser tabs, downloads, cloud backups, and streaming services you do not need during the call. That can free up device resources and bandwidth.  __Can too many devices on one network affect my call?__  Yes. Streaming, gaming, downloads, cloud backups, and other connected devices can all use the same connection. When several activities happen at once, a video call may have less bandwidth available.  __Why does my video look blurry during calls?__  Video apps may automatically adjust picture quality when the connection is under pressure. Lowering resolution can help the call continue when bandwidth or signal quality changes.  __Should I restart my router before an important meeting?__  If your connection has been acting up, restarting the router may help clear temporary issues. It is a simple troubleshooting step, but it will not fix every type of connection problem.  __How do I know whether the issue is my device or my internet?__  Try another device on the same network or the same device on another network if possible. That comparison can help show whether the problem follows the device or the connection.  ## Keep your next call moving A few small changes may help reduce buffering, dropped calls, and choppy audio. Start by making your connection less crowded, improving Wi-Fi signal where possible, and checking upload speed, latency, and device performance before important meetings.  If your calls still struggle after the basics, the issue may be related to your router, your device, your Wi-Fi setup, or your internet connection. Start with the easy fixes, then work outward from there.  __You might also be interested in:__  - [How to Prioritize Devices on Your Wi-Fi Network](https://www.t-mobile.com/home-internet/the-signal/internet-help/how-to-prioritize-devices-on-wifi) - [Upload vs. Download Speed: What You Need to Know](https://www.t-mobile.com/home-internet/the-signal/speed/upload-vs-download-speed-what-you-need-to-know) - [What is Bandwidth?](https://www.t-mobile.com/home-internet/the-signal/internet-devices/what-is-bandwidth) - [What is Latency?](https://www.t-mobile.com/home-internet/the-signal/speed/what-is-latency) __Sources:__  - [https://support.zoom.com/hc/en/article?id=zm\_kb&sysparm\_article=KB0060748](https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060748) - [https://learn.microsoft.com/en-us/MicrosoftTeams/prepare-network](https://learn.microsoft.com/en-us/MicrosoftTeams/prepare-network) - [https://knowledge.workspace.google.com/admin/meet/prepare-your-network-for-meet-meetings-and-live-streams](https://knowledge.workspace.google.com/admin/meet/prepare-your-network-for-meet-meetings-and-live-streams) Tags - [Latency](https://www.t-mobile.com/home-internet/the-signal/archive/latency) - [Modem](https://www.t-mobile.com/home-internet/the-signal/archive/modem) - [Router](https://www.t-mobile.com/home-internet/the-signal/archive/router) - [Wi-Fi](https://www.t-mobile.com/home-internet/the-signal/archive/wi-fi) ## Related Articles [Read More](https://www.t-mobile.com/home-internet/the-signal/speed/why-your-wi-fi-is-slow-and-how-to-fix-it) [](https://www.t-mobile.com/home-internet/the-signal/speed/why-your-wi-fi-is-slow-and-how-to-fix-it) [Speed](https://www.t-mobile.com/home-internet/the-signal/category/speed) ## [Why is My Internet Slow? 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