Sangoma CX Technical Note - Workstation Minimum Requirements

Firewall Configuration

Port Release

The following is a list of ports that must be released on the network firewall for Sangoma CX to function correctly.

* UDP ports opened by the client's browser

Sangoma CX Whitelist IPs

For security reasons the list is only provided to Sangoma Sangoma CX clients upon request

 Internet Broadband Access

Web Application Bandwidth Requirements

• 35 kbps bandwidth per workstation for data transport

Web Application Latency Requirements

• <150 ms between the workstation and Sangoma CX web servers

 VoIP Bandwidth Requirements:

• G.711 codec requires approximately 88 kbps per simultaneous call

• G.729 codec requires approximately 40 kbps per simultaneous call

• Opus codec requires approximately 32 kbps per simultaneous call

VoIP Latency Requirements

• <150 ms between the endpoint and Sangoma CX voice servers

Other Network Related Considerations

• Proxy disabled

• Firewall for HTTP, RTP and SIP traffic disabled

• Install the WebRTC Network Limiter Chrome extension if you are experiencing NAT issues or if the organization is using an HTTP proxy that affects WebRTC communication. Detailn information of this Chrome extension link for its installtion can be found in https://chromewebstore.google.com/detail/webrtc-network-limiter/npeicpdbkakmehahjeeohfdhnlpdklia?hl=en.

  • Select the second option (Use my default public and private IP address) or the thrid option (Use only my default public IP address) in the WebRTC Network Limiter Chrome extension configuration as highlighted in the following screenshot.
    
    

    Open

    

Computer Hardware

Windows

• A MS Windows version supported by Microsoft

• OS running on bare-metal. Virtualized environments not supported

• Minimum 2 GHz (32-bit or 64-bit) processor

• Minimum of 4 Gb of available memory

• Required minimum screen resolution is 1,024 x 768

• Google Chrome or Microsoft Edge browser with automatic updates

• Proxy disabled

• Firewall or antivirus for http, RTP and SIP traffic disabled

• Good quality USB Call Center Rated headset

 Mac OS

• A Mac OS hardware supported by Apple

• A Mac OS version supported by Apple

• OS running on bare-metal. Virtualized environments not supported

• Minimum 2 GHz (32-bit or 64-bit) processor

• Minimum of 4 GB of available memory

• Required minimum screen resolution is 1,024 x 768

• Google Chrome or Microsoft Edge browser with automatic updates

• Proxy disabled

• Firewall or antivirus for http, RTP and SIP traffic disabled

• Good quality USB Call Center headset