STMLink Meeting
Self-hosted, customizable video conferencing
A full-featured, Zoom-style meeting product you run on your own servers, including fully air-gapped networks. 2000+ participants per meeting and 50,000+ attendees per webinar, screen sharing, whiteboard, recording, live transcription, AI minutes and SIP room systems, plus SDKs to embed meetings in your own apps.
STMLink Meeting (SMeeting) is an enterprise video conferencing system built on the SRTC engine, with scheduling, screen sharing, whiteboard, cloud recording, live transcription, AI meeting minutes, waiting rooms and breakout rooms, for up to 2000+ participants per meeting and 50,000+ attendees in a webinar. Meeting SDKs for Web / H5, Android, iOS / macOS (Swift), iOS (Objective-C), HarmonyOS, Windows, WeChat Mini Program let you embed it in your own apps, and the room connector brings in SIP / H.323 room systems and interoperates with Zoom, Microsoft Teams and other cloud meeting services. The whole system is self-hosted, including air-gapped networks.
At a glance
| Item | Details |
|---|---|
| Meeting SDKs | Web / H5, Android, iOS / macOS (Swift), iOS (Objective-C), HarmonyOS, Windows, WeChat Mini Program |
| Meeting size | 2000+ participants per meeting; 50,000+ per webinar |
| Latency | <400ms end-to-end |
| Room systems | SIP / H.323 / RTSP / GB28181 via the room connector |
| Third-party meetings | Zoom, Microsoft Teams and more (via SIP / H.323) |
| In-meeting | Screen sharing, whiteboard, recording, transcription, AI minutes, waiting room, breakout rooms, check-in |
| Deployment | Self-hosted: private / public / hybrid cloud or air-gapped, with edge gateway and one-way gateway (data diode) support |
| Platforms | Linux servers on x86 or ARM; Docker-based install, with offline packages for air-gapped sites |
Features
Massive scale
2000+ participants in a regular meeting and 50,000+ in a webinar, without degrading call quality.
Screen sharing
Share a phone or desktop screen with system audio and live annotation.
Whiteboard
Laser pointer, pen, text and shapes for collaborative presenting.
Recording
Cloud or local recording with custom layouts, watermarks, download and online playback.
Live transcription
Real-time captions at 92%+ accuracy with speaker separation for English, Chinese and mixed speech.
AI meeting minutes
Keywords, chapters and summaries at three levels of detail.
Flexible layouts
Gallery, speaker, picture-in-picture and custom layouts.
In-meeting chat
Text, files and images to everyone or privately.
Host controls
Lock meeting, mute all, stop video, raise hand, breakout rooms and check-in.
Face verification
Only verified faces can join; mismatches trigger an alert.
SIP / H.323 room systems
Invite SIP / H.323 / RTSP / GB28181 devices through the room connector; works with Poly, Cisco, Huawei and Yealink.
Scheduling
Scheduled and instant meetings with attendees, passcodes and join permissions.
Voice masking
Change voices to protect identities, e.g. in remote bid evaluation.
Waiting room
Hosts admit participants one by one to keep uninvited people out.
Breakout rooms
Split into groups; hosts can broadcast, join any room or close them all.
Roles, permissions and your own directory
Connect your existing user directory and control who can do what
Host
Creates the meeting
- Mute all / stop video
- Remove participants
- Assign co-hosts
- Lock meeting
- Start check-in
- Enable waiting room
- End meeting
Co-host
Helps run the meeting
- Same as host
Participant
Attends the meeting
- Own mic & camera
- Raise hand
- Chat
- Copy invite
Custom
Your own roles
- Define roles and permissions for your workflow
Admin console
Usage analytics and management in one place
Analytics
Meeting counts and total minutes by week, month or year
Meetings
All meetings filtered by member or department, with live monitoring
Recordings
Search, download, delete and preview recordings
Devices
SIP / H.323 / RTSP / GB28181 registration, direct IP dialing and status
Why SRTC
Every platform
Meeting SDKs for Web / H5, Android, iOS / macOS (Swift), iOS (Objective-C), HarmonyOS, Windows, WeChat Mini Program.
Deploy anywhere
Public, private or hybrid cloud; an edge gateway bridges internal and external networks.
AI noise suppression
An LSTM + CNN mask model removes background noise.
Your data, your rules
Meetings, recordings and transcripts stay on servers you control, in the region you choose.
Use cases
Your own branded meetings
White label | Privacy | Custom UI
Your logo and UI, your servers, no third-party platform in the data path.
Meeting hardware
Boards | All-in-ones | Video phones
Meeting boards and video phones join directly; legacy SIP / H.323 systems join through the connector.
Courts
Remote hearings | Mediation | Lawyer visits
Crosses network boundaries through one-way gateways and integrates with court systems.
Remote bid evaluation
Bid opening | Evaluation | Audit trail
Voice masking protects evaluators; everything is recorded and integrated with the procurement platform.
Emergency response
Command | Coordination | Cross-network
Runs on isolated networks and bridges them through edge gateways for multi-party dispatch.
Remote hiring
Info sessions | Interviews | Anti-cheating
Panel interviews with random snapshots and full recording.
Interactive teaching
Online classes | Dual-teacher | Training
Live classes with recording and playback, integrated with your LMS.
Healthcare
Consultation | Surgical teaching | Training
Share medical images and integrate with HIS / PACS.
Ready to build?
Get a self-hosted trial, SDK access and hands-on help from our engineers