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Oct 1, 2020 | view(s) | people thought this was helpful

What is the Maximum Number of Participants in a Webex Session or Call?

The In-meeting participant and meeting audio capacity will vary depending on which service you are using.

What is the maximum number of participants in a Webex session or call?

What is the minimum number of participants in a Cisco Webex Video call?

How many participants can join an event using a video device?

How many participants can receive video in an event?



  • If the session type in Site Admin has a number after the session (Example: Webex Meetings 25), then the number indicates the attendee capacity. If this number is exceeded, either additional participants may not be allowed to attend the meeting or overage charges will apply.
  • When the participant audio capacity has been reached, attendees will hear the following error when joining the teleconference: 'System error 4004: The conference you are attempting to join is full.'
  • If an attendee does not use the attendee ID to join the audio conference of a Webex meeting, the attendee will be counted as two participants.
  • If a meeting scheduled as an audio only conference is escalated to an online Webex meeting, the number of participants who can join the online meeting is limited to 25. For details, see: WBX79050 - Error: Meeting you are trying to join is limited to 25 participants and no more participants can join the meeting'


Your Webex site may be configured to allow fewer attendees than the maximum capacities listed in this article. Your Webex site may or may not be configured to allow attendee overage.

Overage charges vary depending on which service model you are on. The actual amount of Users/Ports available to you will be based on your original service agreement.

The maximum numbers of participants in each service are as follows:

*Participant includes the host, presenters, and panelists.

In- meeting video device:

Video Device Capacity
ServiceVideo Platform 1 Video Platform 2
Webex Meetings25200
Webex EventsNA200 (Host / Presenter / Panelist only)


  • Video device capacity counts towards the in-meeting participant cap. For example, if your Webex Meetings site is configured to allow 1,000 participants and 200 video devices join, 800 participants will be able to join via PC/Mobile/Teleconference.
  • Only the first 1000 Event participants can receive participant video. (Example: when turning on a webcam (or a video device) as a panelist, only the first 1000 participants can view it.).
    • This applies to Cisco Webex Events that have up to 3000 participants.
  • Grid view is limited to showing a maximum of 6 video endpoint video streams simultaneously at any given time, with a total of video streams of 25.


Note: * Beginning with WBS 39.6, Cisco Webex Meetings, Webex Events, and Webex Training support up to a maximum of 1000 Webex Teleconference participants.


Audio TypeWBS 39.5WBS 39.6 and later
Webex Teleconference5001000
Personal Conference Meeting (PCN)500 audio-only participants500 audio-only participants
Hybrid Audio - VoIP1000 / 3000* Webex Events only
Hybrid Audio - Teleconference5001000
Note: FedRAMP Webex Meetings can only have 500 PSTN telephony connections in a given meeting (Including PRO meeting, not just an Audio Only AUO meeting).

Integrated VoIP 
ServiceWBS 39.5 and later
Webex Meetings1000
Webex Events3000
Webex Training1000
Webex Support500

You may have a total of 1000 participants with Webex Audio (Hybrid Audio), including both VOIP and Teleconference users.

In-meeting capacity

Webex Service TypeCapacity
Webex Free Offer100
Webex Meetings1000
Webex Events3000
Webex Training
*Breakout Sessions
*Up to 100 Breakout sessions
*Up to 100 participants per Breakout

*Note: The total number of participants cannot exceed 1000.

To obtain specific information regarding your company's services, contact your Customer Success Manager. For help, see article: WBX15 - How Do I Contact My Customer Success Manager (CSM)?

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