TrueConf Capabilities
This article identifies various limits applicable to the TrueConf video conferencing platform.
The features and limits listed below are applicable to the communication systems based on the latest (release) versions of TrueConf Server and TrueConf Enterprise video conferencing solutions.
Chats
Chat avatar[1]
| Parameter | Limit |
|---|---|
| Number of characters in a chat name | from 1 to 256 |
| Chat avatar[1:1] | Size (MB): unlimited Image format: png, jpg, jpeg, gif, jpe, jif, jfif, jfi, bmp, webp |
| Number of chats | Unlimited |
| Number of chat participants | Unlimited |
| Number of messages in the Favorites chat | Unlimited |
| List of chat participants who have read a user’s message | Displayed only in chats with up to 20 participants |
| The size of a chat supporting a group call[2] | Unlimited |
| Number of simultaneous WebSocket connections for chatbots on a single server | 128 (more details in the documentation) |
Messages
| Parameter | Limit |
|---|---|
| Number of characters in one message | 20000 (if a message contains more than 4096 characters, it will be sent as multiple messages, each up to 4096 characters) |
| Size of a file sent in a chat | Unlimited |
| Type of a file sent in a chat | Unlimited |
| Number of files sent at the same time | Unlimited |
| Resolution of a compressed image | 1280 x 1280 |
| Requirements for sending an image with compression | Size (MB): no more than 50 Aspect ratio: no more than 20:1 |
| Image formats supported by the built-in viewer¹ | png, jpg, jpeg, gif, .jpe, jif, jfif, jfi, bmp, webp, heic, heif |
| Video formats supported by the built-in viewer | mp4, avi, mkv, webm, mov |
| Audio codecs supported by the built-in player when viewing videos sent in chat² | pcm, opus, aac, mp3, ac3 |
| Document formats supported by the built-in viewer | |
| Time to edit a message which has already been sent | 48 hours |
| Frame rate (FPS) in the video viewer | 60 |
¹ When a user views images in gif, heic, and heif formats, only the first frame will be displayed, not the entire animation.
² When an unsupported audio codec is used, the video will be played without sound.
Address Book
| Parameter | Limit |
|---|---|
| Number of contacts in a user's address book | 900 |
| Number of users on the server | Unlimited |
| Number of characters in a group name | 200 |
| Number of groups | Unlimited |
| Number of users in a group | 1000 |
Video calls and conferences
| Parameter | Limit |
|---|---|
| Number of participants in one conference | 1500 |
| Number of participants on one screen | 49 |
| Resolution in a point-to-point video call | Ultra HD 4K |
| Resolution in a conference | Ultra HD 8K |
| Frame rate (FPS) | 60 |
| Scheduled conference duration | 24 hours |
| Duration of a “virtual room” conference¹ | Unlimited |
| Video codecs used in TrueConf applications | VP8 SVC, H.264 |
| Audio codecs used in TrueConf applications | Opus, Speex, G.7xx |
| Number of custom images for Virtual background | 2 |
| Image formats available for Virtual background | png, jpg, jpeg, gif, svg, jpe, jif, jfif, jfi, bmp, webp |
| Video formats available for Virtual background | mp4, avi, mov, webm, mkv |
| Number of slides in a presentation used for content sharing | Unlimited |
| Video formats supported during content sharing | mp4, avi, mkv, webm, mov |
| Audio codecs supported during content sharing² | pcm, opus, aac, mp3, ac3 |
| Number of users with an individual layout | Unlimited |
| Incoming channel width for a user group (kbps) | from 32 to 10240 |
| Outgoing channel width for a user group (kbps) | from 32 to 10240 |
| Number of speakers in a conference | Limited by the total number of participants |
| The number of participants who can be sent to the waiting room | Limited by the total number of participants excluding moderators |
| The maximum number of fields in the registration form for a public conference (webinar)³ | 15 |
| Number of simultaneous interpreters | Limited by the total number of participants |
¹ It is active if there is at least 1 participant.
² When an unsupported audio codec is used, the video will be played without sound.
³ The mandatory fields are Name and Email.
Profile
| Parameter | Limit |
|---|---|
| Automatic update of user avatars | 24 hours |
| Minimum number of characters in a password¹ | from 2 to 64 |
| Maximum number of characters in a password | 255 |
| Number of characters in the Display name field | 64 |
| Number of characters in the Additional status field | 256 |
| Timeout for displaying the away status | from 0 to 60 minutes |
| The number of devices where a user can be simultaneously authorized with the same account | Unlimited |
¹ In the TrueConf Server control panel, the administrator can set a mandatory minimum password length for the account.
Gateway for integration with SIP/H.323/RTSP devices
| Parameter | Limit |
|---|---|
| Number of SIP/H.323/RTSP connections | Unlimited |
| Number of different rules (configurations) for connections via the SIP/H.323 gateway | Unlimited |
| Frame rate (FPS) for SIP, H.323, and WebRTC clients | 60 |
| Maximum resolution for participants connected from SIP or H.323 endpoints | Full HD 1080p |
| Video codecs used for SIP endpoints | H.264, Microsoft® X-H264UC, H.263, H.261, VP8 |
| Video codecs used for H.323 endpoints | H.264, H.263, H.261, VP8 |
| Audio codecs used for SIP endpoints | G.7xx, OPUS, Speex |
| Audio codecs used for H.323 endpoints | G.7xx |
Integration with WebRTC applications
| Parameter | Limit |
|---|---|
| Number of WebRTC connections | Unlimited |
| Protocols for media stream encryption | SRTP, DTLS |
| Maximum resolution for a participant using the WebRTC application | Full HD 1080p |
| Video codecs used in WebRTC applications | VP8, H.264 |
| Audio codecs used in WebRTC applications | Opus, G.711 |