TABLE OF CONTENTS
Hardware Requirements
A client connecting to CafeX must meet the following minimum requirements:
- Intel Core i3 processor or equivalent, or later
(3rd generation core, Sandy Bridge, January 2011) - 4 GB of RAM
- To participate in Meetings:
- Web camera
- Microphone
- Speakers or headphones
Bandwidth Requirements
CafeX optimizes the experience based on network conditions. For real time Meetings, we recommend your endpoints can sustain network speeds of 1.5mbps upload and 1.5mbps download to CafeX.
Video Resolution in Meetings
Meetings maximum participant video resolution is 720 HD.
Some camera or devices may share lower resolutions than 720 HD due to their hardware or network bandwidth limitations. CafeX does not enforce a minimum resolution.
Browser and Device Support
CafeX supports the following:
| Desktop devices | Chrome | 84+ |
| Firefox | 68+ | |
| Safari | 12+ | |
| Edge | 84+ | |
| Mobile devices | Android Chrome | Android 4.4+ / 64+ Also available as an application |
| iOS Safari | All Apple devices running 12+, under support of Apple, with hardware specifications greater than or equal to the iPhone 6 | |
| Applications | iOS | The CafeX application is available on the App Store |
| iPhone and iPad | Requires iOS 11 or later. Compatible with iPhone, iPad and iPod touch |
Network Addresses and Ports
Web Resources
Access is required to the following ports and domains:
| Port | Protocol | Details |
| 80 | TCP | HTTP This always redirects to HTTPS on port 443 |
| 443 | TCP | HTTPS Web content |
Meeting Services
CafeX allows clients to connect for voice, video, and screen sharing. Meetings in CafeX use real-time communications and resolve under under the following sub-domains with matching the wildcards:
- *.app.cafex.com
- *.meetings.cafex.com
Clients access the following ports during meetings:
| Port | Protocol | Details |
| 443 | TCP | HTTPS and WSS CafeX web content WebSockets for meeting control |
| 3478 | UDP | STUN WebRTC NAT traversal |
| 3479 | UDP | STUN WebRTC NAT traversal |
| 30100 - 30700 | UDP | SRTP Meeting media and control |
The CafeX TURN service, for NAT traversal, is available across the following hosts and ports:
| TURN hosts (Multi-host DNS entry) | IP address |
| turn.meetings.cafex.com | 51.81.55.3 147.135.85.64 51.81.104.155 51.81.104.154 |
| Protocol | Transport protocol | Port |
| TURN | UDP | 3478 |
| TURNS | TCP | 443 |
| TURNS | TCP | 5349 |
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