Intel® Collaboration Suite for WebRTC
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Intel® Collaboration Suite for WebRTC v3.3.1 Release Announcement



I am pleased to announce the release of the Intel® Collaboration Suite for WebRTC Version 3.3.1.  The release and user documentation are freely available to download from the Intel® Developer Zone site at

The following list feature enhancement and bug fix in this patch release (refer to the Release Notes for the details):

1.     Fixed the no callback being triggered issue while subscribing an audio-only stream with option {audio: false} being specified.

2.     Fixed the issue that the forward stream subscriber cannot receive the audio track data after the publisher pauses its audio and play it again about 10 minutes later.

3.     Fixed the mixed stream recording failure issue after pushing it to an external stream URL.

4.     Fixed the sip-portal fail issue when frequent SIP connectivity info update are triggered.

5.     Fixed the issue that room’s resolution setting is not correctly displayed in MCU management console page.

6.     Fixed the occasional room configuration info loss issue during MCU restart due to the inconsistent MongoDB data file.

7.     Reduced the click-to-show time of RTMP input stream from ~5.6 seconds to ~2.6 seconds.

8.     Changed the default transport protocol of RTSP input stream from UDP to TCP.

9.     Fixed the occasional issues about “undefined object accessing error” and “TypeError: Error” in Portal component.

10. Fixed the issue that agent node always retries if fails to start worker node which produces too many error logs.

11. Fixed the potential memory leak issue in GPU-accelerated video-agent after long time connection to room.

12. Added audio, video and transport parameters to query string of JavaScript conference sample.

13. Fixed a potential crash issue when Android SDK tries to connect to an unreachable server address.

Please let us know if you have any questions.


Lei Zhai

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