Technical prerequisites
Helen Griffith
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Vonage has made all reasonable efforts to ensure that the information contained in this document is accurate at the time of publication. The information in this document is subject to periodic change and applies to the latest versions of our products.
General requirements and recommendations
For information about requirements of specific Vonage Contact Center features or products, see the relevant sections in this page or in the documentation for those features or products.
Web browsers
For all browsers you must enable the following:
- WebSockets
- Cookies
- JavaScript
TLS 1.2 or later. For further information about supported protocols and cipher suites, see Supported protocol versions and cipher suites.
- Web storage (both session storage and local storage) (if using for ContactPad)
We support the following browsers:
- Google Chrome™, latest version
- Microsoft® Edge, latest version
- Mozilla® Firefox®, latest version
Apple® Safari®, latest version
For ContactPad and ContactHub only. You must configure your browser to always allow cookies.
We do NOT support Apple® Safari® on an Apple Mac when using the Mid-Call Payment Transfer solution or Conversation Analyzer Analytics.
We do NOT support privacy mode in any browsers when using ContactPad.
Operating systems
We support the following operating systems and versions:
- Windows:
- Windows 11
- Windows 10
- Mac OS:
- macOS 15 (Sequoia)
- macOS 14 (Sonoma)
Chrome OS: latest long-term support channel (LTS) release
Processor and memory
Your processor speed and RAM must meet the recommended system requirements for your operating system. You must also ensure that they meet the specifications required for any applications and browsers you use.
Screen resolution
1024 x 768 pixels
Bandwidth
ContactPad uses 8 kilobytes per second (KBps)
Real Time (legacy) uses 16 KBps (based on 100 agents, 2 groups, and 2 queue icons)
Recommendation bandwidth = (number of ContactPad users x 8 KBps) + (number of Real Time (legacy) users x 16 KBps)
A call center with 20 agents using ContactPad, 2 supervisors using Real Time (legacy) and 1 wallboard user using Real Time (legacy) will need: (20 x 8 KBps) + (2 x 16 KBps) + (1 x 16 KBps) = 208 KBps
You can use lower bandwidths, but lower bandwidths will result in slower refresh rates and a poor user experience.
- These bandwidth recommendations are based on call delivery through the PSTN and do not include VoIP (voice traffic). The voice traffic bandwidth is stated in the telephony section below.
- End users (agents, supervisors and wallboard users) regularly communicate both ways with the host data center. The recommendations apply to upload bandwidth as well as download bandwidth to maintain communication between end-user interfaces and the host data center. Whilst upload bandwidth requirements are not as great as download requirements, having sufficient bandwidth to upload files quickly ensures a good end-user experience.
Latency
Maximum 250 ms for optimum agent experience.
This latency recommendation is based on call delivery through the PSTN and does not include VoIP (voice traffic). The voice traffic bandwidth is stated in the telephony section below.
Connections
To meet the demand of real-time communications and avoid call quality issues, you must use a wired Ethernet connection rather than a wireless connection.
Virtual environments
Vonage Contact Center has been verified to work with virtual desktop infrastructures (VDI), Citrix Workspace and VMware Horizon. Therefore Vonage Contact Center is supported in these VDIs as long as the issue in those environments is reproducible in a non-VDI environment. If you are unable to reproduce an issue in a non-VDI environment, Vonage will provide best-effort support, and refer you to your IT support team, provider (Citrix or VMware), or both, for additional support. Other VDIs are not yet supported.
ContactPad with WebRTC in a virtual desktop
Date and time settings
Accurate time is important for the correct operation of Vonage Contact Center (VCC). Ensure that computers used with VCC have their time correctly set; we recommend that you synchronize the date and time with an external time source such as a Network Time Protocol (NTP) provider.