General Questions Frequently Asked Questions FAQs / General questions General questions Which mobile devices support echo cancellation? Building a Custom App from the Bottom-Up What is the community Slack channel and how does it work? Browser/Device Compatability What do the stats in the mobile SDK testbed debug overlay mean? Can Red5 Pro handle HD streaming and how can I enable that? Can I have a conference (like Zoom or Meet)? Can I secure my streams? How can I view the number of viewers on my stream? React Native Beta Phone Goes Into Sleep Mode and Disconnects Version 9.0.0 of the Server and Mobile SDKs Can I watch/subscribe to more than one stream at a time? Why is my 16:9 content cut-off at the top and bottom of my 21:9 display? Red5 Pro Security Perspectives Troubleshooting Common Mistakes in Single-Server Installs Can I stream from an external camera (IP Cameras, Drones, GoPro etc)? Is there a way to swap cameras (front to back or back to front) while publishing? Troubleshooting Guide Supported Mobile Protocols Supported Protocols and Codecs What is my IP Address and how can I change it? What are Extra Instances and How Will I be Charged? NetStream.Publish.BadName in EventListener While Publishing What support do I receive with a Developer Pro license? No Internet Connection – Intranet What are the requirements for WSS protocol support? Why do I see a blank screen during local testing? Why can’t I log into Zendesk? Where Can I Find my Recorded Stream Files? Will Red5 Pro run on Ubuntu 20? Does Red5 Pro support HLS? Memory Requirements for Red5 Pro Server Accepted Payment Methods Is it possible to use GoDaddy CPanel to install Red5 Pro? Does Red5 Pro require an SSL certificate? What’s the difference between RTSP and RTMP? Content Delivery Network (CDN) or Video On Demand (VOD) How do I get support through Slack? Server 8.0.0 Release VLC support issues for FLV files Collecting Logs (Server, iOS and Android) Why can’t I get a large number of Conference participants with a standalone instance? How can I grab stream statistics? Mobile SDK subscriber times out trying to connect to stream (OBS) Screen-share Function Scale Policy Management How can I directly set the framerate? Can I have a one on one video call between two devices? Regarding log4j [Log4Shell Vulnerability report] Is file conversion for playback possible? Backward Compatibility Running multiple java versions on a Linux server Recommended Platform for Running Red5 Pro Is it possible to set up a chat feature? Image Overlay (Watermark) Saving Streams Locally (iOS and Android) Browser Specific Use Cases How Should I Configure My Application for Autoscaling? No Video on Subscribing Device (Mobile SDK) What ports need to be open and on which protocol? How many streams can the Red5 Pro server support? Suggested Resolution and Bitrate Settings Adjusting Image and Video Quality / Latency for Mobile Streaming How to Password Protect Red5 Pro Apps Using Simple HTTP Basic Realm Authentication Adaptive Bitrate (Mobile only) Red5 Open Source vs. Red5 Pro Feature Comparison