Are there any special network requirements?

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Circuit works over any network connection provided that you can access or For best results, we recommend the following:

  • Corporate LAN – When using Circuit over a wired corporate LAN connection, ensure that you have adequate bandwidth for all users. Video conversations require more bandwidth than voice conversations. Circuit must also be able to traverse the corporate firewall. If you encounter firewall issues, our support team will work with your IT department to resolve these issues.

  • Residential broadband – Circuit works well over a residential broadband connection, such as cable or DSL. Connections to the home router can be via a wired Ethernet or Wi-Fi.

  • Wi-Fi and VoWLAN – Circuit works well over any home Wi-FI or VoLAN (Voice over Wireless LAN) connection. However, there must be adequate bandwidth for the connection and the conversations on the wireless network and the Internet connection. When a large number of users will be using wireless LAN, such as in a campus environment, it is recommended that voWLAN be implemented to ensure an optimal user experience.

  • Mobile networks – Circuit can run over the mobile device carrier 3G/4G/LTE connection (subject to the carrier policy and billing).However, users should be aware that extensive use of Circuit over mobile networks can significantly increase their data usage.

  • PSTN dial-in – You can dial in to Circuit using residential phones. However, if you are using a VoIP connection, the voice quality might be degraded due to multiple transcodings.

  • VPN – Circuit can be used by remote workers over a corporate VPN. However, this has the following disadvantages:

    • The conversation bandwidth must be transported over the corporate WAN connection.

    • The media streams must be encrypted and decrypted by the VPN software, which requires additional CPU processing and can cause delays, which can degrade the voice and video quality of conversations.

    We recommend that remote workers disconnect their VPN and use Circuit directly over a broadband connection.

    For more network requirements, please refer to the Circuit Design Assessment document.

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