Inbound SIP signaling for Webex Edge Audio. If you are using a third party endpoint or call control, they need to be configured to use this range. If you're using a Cisco Expressway, the media ranges need to be set to 36000-59999. If your endpoint requires gatekeeper communication, also open port 1719 which includes Lifesize. Inbound SIP signaling traffic from the Webex cloud. The Webex media edge listens on 5060 - 5070.įor more information, please see the configuration guide on the specific service being used: Cisco Webex Meeting Center Video Conferencing Enterprise Deployment Guide.pdf
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Please refer to the deployment guide/manufacturer recommendation for full details. These ports are provided as a reference only. A firewall should be configured to allow these return connections through.ĭefault Ports used by Video Collaboration Devices: Webex will communicate to the destination port received when the client makes its connection. Operating System Specific Ephemeral Ports Firewalls should not manipulate the RTP being sent or received.) We recommend allowing UDP port 9000 whenever possible. Due to the nature of TCP and how lost delayed packets are retransmitted, it is not recommended to use TCP. If unable to establish a connection over UDP 9000, it will use TCP port 443.
The Webex client will try to connect to a Multimedia server over UDP port 9000.
If unable to connect, it will use TCP 443. Webex utilizes port 9000 for the Webex Events Audio Broadcast feature. Webex Client Media for Webex Events (Audio Streaming) Most DNS queries are made over UDP however, DNS queries may use TCP as well. In order to connect to Webex you must have a working DNS server. In some cases, port 80 will also be used before being redirected to a secure connection. The Webex Client makes the majority of its data transfers and loading using HTTPS over port 443. Webex website, Webex Desktop App/Productivity Tools, Webex Meetings for Android/iOS, Webex Web App In order to connect to Webex, you must have a working DNS server. Ports used by the Webex client for communication (both inbound and outbound traffic): If you are also leveraging Webex Teams (formerly Cisco Spark) in your environment, implement the settings from this article and the Webex Teams Network Requirements article. For those devices, please see the specific deployment guide for that device or technology in order to determine the exact ports to open.
Some services like video collaboration, have on-premise components that can be configured to use non-standard port ranges. The chart below is provided to help you identify what ports you might need to open on your firewall. Depending on your existing firewall rules, an adjustment may be necessary to allow the standard RTP protocol.ĭepending on the services you are using in your particular deployment of Webex, you may connect to our services over a variety of different ports. UDP does not retransmit, and will provide a better video experience.įor more info on the low bandwidth error, see: WBX84420 - I Get a Low-Bandwidth Error when I Try to View Video from TelePresence UsersĪudio / Video packets use the standard RTP protocol. Using TCP in a near congested network will cause retransmissions, which in turn can create a choppy video or low bandwidth error experience. The connection is always initiated outbound from the Webex client to the Webex Server. Please ensure that UDP 9000 is open outbound and return traffic is allowed back inbound. If this port is closed, the connection will fail back to TCP. The client will perform a test to attempt connection on UDP 9000.
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