# Support

**URL:** https://discourse.lynckia.com/c/support/5.md

[Latest](https://discourse.lynckia.com/latest.md) · [Categories](https://discourse.lynckia.com/categories.md)

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## [About the Support category](https://discourse.lynckia.com/t/about-the-support-category/324)

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**Author:** [@pedro](https://discourse.lynckia.com/u/pedro)\
**Replies:** 0

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If you are using (or trying to use) Licode and are experiencing any difficulty. This includes issues with this discussion site or with lynckia.com

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## [New User? Problem? Forget the forum, no help here](https://discourse.lynckia.com/t/new-user-problem-forget-the-forum-no-help-here/1061)

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**Author:** [@kim\_won](https://discourse.lynckia.com/u/kim_won)\
**Replies:** 1\
**Last updated:** [May 14, 2023, 9:46pm UTC](https://discourse.lynckia.com/t/new-user-problem-forget-the-forum-no-help-here/1061 "2023-05-14T21:46:30Z")

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For all the new users, don’t bother registering in the forum to post about your problem as it will never be answered. I don’t have a problem with not getting answers, I have a problem with putting up a forum and pretend…

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## [I failed to compile erizo using conan on ubantu v20.4 in the virtual machine](https://discourse.lynckia.com/t/i-failed-to-compile-erizo-using-conan-on-ubantu-v20-4-in-the-virtual-machine/1076)

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**Author:** [@johnny](https://discourse.lynckia.com/u/johnny)\
**Replies:** 0\
**Last updated:** [November 10, 2022, 7:51am UTC](https://discourse.lynckia.com/t/i-failed-to-compile-erizo-using-conan-on-ubantu-v20-4-in-the-virtual-machine/1076 "2022-11-10T07:51:12Z")

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Hello All, I failed to compile erizo using conan on ubantu v20.4 in the virtual machine. Who can tell me why? cmd line: conan export . lynckia/includes conan install . --build IncludePathsGenerator -s compiler.libcxx…

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## [Does the code support Simulcast and SVC now?](https://discourse.lynckia.com/t/does-the-code-support-simulcast-and-svc-now/1074)

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**Author:** [@johnny](https://discourse.lynckia.com/u/johnny)\
**Replies:** 1\
**Last updated:** [November 2, 2022, 7:05am UTC](https://discourse.lynckia.com/t/does-the-code-support-simulcast-and-svc-now/1074 "2022-11-02T07:05:09Z")

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Hi, Does the code support Simulcast and SVC now? I can’t find the code related to SVC, please tell me where it is. Thanks

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## [What is the relationship between erizo,erizoAPI and erizoJS in the code?](https://discourse.lynckia.com/t/what-is-the-relationship-between-erizo-erizoapi-and-erizojs-in-the-code/1073)

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**Author:** [@johnny](https://discourse.lynckia.com/u/johnny)\
**Replies:** 4\
**Last updated:** [October 27, 2022, 10:02am UTC](https://discourse.lynckia.com/t/what-is-the-relationship-between-erizo-erizoapi-and-erizojs-in-the-code/1073 "2022-10-27T10:02:53Z")

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Hello All, What is the relationship between erizo,erizoAPI and erizoJS in the code? Thanks

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## [Does the code support ice-full and ice-lite now?](https://discourse.lynckia.com/t/does-the-code-support-ice-full-and-ice-lite-now/1072)

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**Author:** [@johnny](https://discourse.lynckia.com/u/johnny)\
**Replies:** 2\
**Last updated:** [October 27, 2022, 9:03am UTC](https://discourse.lynckia.com/t/does-the-code-support-ice-full-and-ice-lite-now/1072 "2022-10-27T09:03:03Z")

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Hi All, Does the code support ice-full and ice-lite now? Thanks

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## [Ubuntu 20.04.3 Fresh install](https://discourse.lynckia.com/t/ubuntu-20-04-3-fresh-install/1060)

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**Author:** [@kim\_won](https://discourse.lynckia.com/u/kim_won)\
**Replies:** 0\
**Last updated:** [February 7, 2022, 8:13pm UTC](https://discourse.lynckia.com/t/ubuntu-20-04-3-fresh-install/1060 "2022-02-07T20:13:32Z")

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Fresh install on Ubuntu 20.04.3. Second time starting Licode after a server reboot. Server is up to date. Getting this error message after starting licode using ./scripts/initLicode.sh ERROR: ErizoController - messag…

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## [Chrome Unified Plan SDP](https://discourse.lynckia.com/t/chrome-unified-plan-sdp/1058)

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**Author:** [@windsurfdrew](https://discourse.lynckia.com/u/windsurfdrew)\
**Replies:** 0\
**Last updated:** [December 8, 2021, 4:49pm UTC](https://discourse.lynckia.com/t/chrome-unified-plan-sdp/1058 "2021-12-08T16:49:33Z")

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Chrome rolled out some changes to retire Plan B SDPs in chrome 96. We are currently using a fork of Licode 9.4 from 2020, and it throwing an exception for customers who recently upgraded Chrome (FYI, chrome 96.0.4664.55…

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## [Can I use licode with k8s or other orchestration service?](https://discourse.lynckia.com/t/can-i-use-licode-with-k8s-or-other-orchestration-service/968)

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**Author:** [@yamada0626](https://discourse.lynckia.com/u/yamada0626)\
**Replies:** 5\
**Last updated:** [December 2, 2021, 10:39am UTC](https://discourse.lynckia.com/t/can-i-use-licode-with-k8s-or-other-orchestration-service/968 "2021-12-02T10:39:19Z")

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Hi. I’m developing a web conference service with licode and I want to deploy service to GKE. But It doesn’t work. I can’t imagine how licode(with many node) can connect to clients. Is there anyone who sucessed to run …

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## [Scaling Erizo Controller - hostname config](https://discourse.lynckia.com/t/scaling-erizo-controller-hostname-config/716)

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**Author:** [@aremmes](https://discourse.lynckia.com/u/aremmes)\
**Replies:** 1\
**Last updated:** [December 1, 2021, 4:25pm UTC](https://discourse.lynckia.com/t/scaling-erizo-controller-hostname-config/716 "2021-12-01T16:25:02Z")

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Hello, all, My company is working on a Licode deployment that we want to make highly available. It’s currently deployed in Kubernetes, and so far it seems to work well as long as we only have a single instance each of N…

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## [Clarification on the Stream Prioritization Feature](https://discourse.lynckia.com/t/clarification-on-the-stream-prioritization-feature/1052)

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**Author:** [@vrevidat](https://discourse.lynckia.com/u/vrevidat)\
**Replies:** 1\
**Last updated:** [October 4, 2021, 1:56pm UTC](https://discourse.lynckia.com/t/clarification-on-the-stream-prioritization-feature/1052 "2021-10-04T13:56:10Z")

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Hi Everyone, The stream prioritization feature seems very interesting, however, due to the lack of documentation on it, we have trouble understanding it. What we would like to do is to select the priority we want per s…

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## [How to know a new subscriber enter a room?](https://discourse.lynckia.com/t/how-to-know-a-new-subscriber-enter-a-room/1046)

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**Author:** [@weili](https://discourse.lynckia.com/u/weili)\
**Replies:** 0\
**Last updated:** [August 22, 2021, 11:39am UTC](https://discourse.lynckia.com/t/how-to-know-a-new-subscriber-enter-a-room/1046 "2021-08-22T11:39:24Z")

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I want to show every one in the room. When I join a room I can call getUser to the the user list in the room. But how about later when some one join as a subscriber? How can I be noticed there is a new listener in the…

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## [Hotw to deploy Licode on kubernetes](https://discourse.lynckia.com/t/hotw-to-deploy-licode-on-kubernetes/1041)

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**Author:** [@Nowjean](https://discourse.lynckia.com/u/Nowjean)\
**Replies:** 0\
**Last updated:** [February 22, 2021, 10:11am UTC](https://discourse.lynckia.com/t/hotw-to-deploy-licode-on-kubernetes/1041 "2021-02-22T10:11:23Z")

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Hi. My team want to deploy Licode o kubernetes cluster for streaming service. Do i have to detach erizoController from k8s deployment? and also do i have to use mcu mode? please let me know about some guide… Thanks. …

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## [LibNiceConnection::close coredump](https://discourse.lynckia.com/t/libniceconnection-close-coredump/1033)

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**Author:** [@dboy](https://discourse.lynckia.com/u/dboy)\
**Replies:** 0\
**Last updated:** [November 9, 2020, 12:38pm UTC](https://discourse.lynckia.com/t/libniceconnection-close-coredump/1033 "2020-11-09T12:38:39Z")

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question i found m\_Thread\_.timed\_join(timeout) called in LibNiceConnection::close method, and i face a coredump relation to it when i call LibNiceConnection::close() then delete it , the backtrace and log as below: bac…

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## [Licode problem with Firefox](https://discourse.lynckia.com/t/licode-problem-with-firefox/1024)

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**Author:** [@hamidgh83](https://discourse.lynckia.com/u/hamidgh83)\
**Replies:** 0\
**Last updated:** [September 23, 2020, 10:00am UTC](https://discourse.lynckia.com/t/licode-problem-with-firefox/1024 "2020-09-23T10:00:34Z")

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After updating Chrome to v85 our clients failed to publish streams but we couldn’t find any error message (both on the server and client). Our investigation did not reach the result and we decided to upgrade Licode to th…

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## [How to get the log output of the licode addons library](https://discourse.lynckia.com/t/how-to-get-the-log-output-of-the-licode-addons-library/1015)

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**Author:** [@Haihua](https://discourse.lynckia.com/u/Haihua)\
**Replies:** 4\
**Last updated:** [July 20, 2020, 11:43am UTC](https://discourse.lynckia.com/t/how-to-get-the-log-output-of-the-licode-addons-library/1015 "2020-07-20T11:43:38Z")

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I am now debugging with Externaloutput.{h,cpp}, could anyone give me any hints on how to get the log output from the code. Thank you very much !

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## [How to enable MCU mode?](https://discourse.lynckia.com/t/how-to-enable-mcu-mode/1005)

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**Author:** [@vuhoangha100995](https://discourse.lynckia.com/u/vuhoangha100995)\
**Replies:** 0\
**Last updated:** [June 28, 2020, 2:31am UTC](https://discourse.lynckia.com/t/how-to-enable-mcu-mode/1005 "2020-06-28T02:31:05Z")

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Hi, I ran the demo and it seems is SFU mode. How can I enable MCU mode? I want to create a video meeting with about 100 participants. Thank.

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## [stopRecording is not working properly](https://discourse.lynckia.com/t/stoprecording-is-not-working-properly/1000)

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**Author:** [@Haihua](https://discourse.lynckia.com/u/Haihua)\
**Replies:** 3\
**Last updated:** [June 16, 2020, 3:34pm UTC](https://discourse.lynckia.com/t/stoprecording-is-not-working-properly/1000 "2020-06-16T15:34:44Z")

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Hi Guys, We are using Licode right now; thanks a lot for your contribution for the society. We are experiencing the following issue. During vision-talking, we are using what the script.js provided to record the video…

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## [basicServer.js ignores config ports](https://discourse.lynckia.com/t/basicserver-js-ignores-config-ports/988)

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**Author:** [@riebling](https://discourse.lynckia.com/u/riebling)\
**Replies:** 0\
**Last updated:** [May 14, 2020, 5:04pm UTC](https://discourse.lynckia.com/t/basicserver-js-ignores-config-ports/988 "2020-05-14T17:04:12Z")

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Although basicServer.js requires …/…/licode\_config, and correctly uses it for port and tlsPort, it ignores other configuration values such as: config.nuve.port (hard coded as 3000) N.API.init(config.nuve.superserviceID…

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## [Got POST /createToken/ 401 in BasicExample](https://discourse.lynckia.com/t/got-post-createtoken-401-in-basicexample/971)

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**Author:** [@Qwedir](https://discourse.lynckia.com/u/Qwedir)\
**Replies:** 4\
**Last updated:** [May 13, 2020, 1:18pm UTC](https://discourse.lynckia.com/t/got-post-createtoken-401-in-basicexample/971 "2020-05-13T13:18:16Z")

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Hi! I got error when try to use BasicExample connection\_test.html ERROR: TokensResource - message: createToken error, errorMgs: No Erizo Controller available. OS: MacOS 10.15.2 Branch: master Flow to install: http:…

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## [WebRTC vs. Zoom](https://discourse.lynckia.com/t/webrtc-vs-zoom/976)

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**Author:** [@Marlin\_Cobb1](https://discourse.lynckia.com/u/Marlin_Cobb1)\
**Replies:** 1\
**Last updated:** [February 21, 2020, 10:43am UTC](https://discourse.lynckia.com/t/webrtc-vs-zoom/976 "2020-02-21T10:43:08Z")

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I am losing customers over the quality of my screen-share when compared to Zoom. I have a low framerate (5 frames/sec) need but as close to lossless 1920 x 1024 quality. This needs to be broadcasted to ~100 users. Wil…

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## [Is licode alternative to jitsi meet](https://discourse.lynckia.com/t/is-licode-alternative-to-jitsi-meet/975)

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**Author:** [@ugintl](https://discourse.lynckia.com/u/ugintl)\
**Replies:** 1\
**Last updated:** [February 21, 2020, 10:39am UTC](https://discourse.lynckia.com/t/is-licode-alternative-to-jitsi-meet/975 "2020-02-21T10:39:41Z")

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I visited the licode website and read about it, but I am still confused what exactly it is. Is it an alternative to jitsi meet? Does it have user signup/login system?

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## [Need Help in Subscription](https://discourse.lynckia.com/t/need-help-in-subscription/966)

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**Author:** [@ashar\_02](https://discourse.lynckia.com/u/ashar_02)\
**Replies:** 4\
**Last updated:** [January 31, 2020, 9:38am UTC](https://discourse.lynckia.com/t/need-help-in-subscription/966 "2020-01-31T09:38:58Z")

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Hi, When I try to subscribe my local stream. I got this error “WARNING: Cannot subscribe to local stream, you should subscribe to the remote version of your local stream”. What is the correct way of subscribing my loc…

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## [Server-generated ICE candidates](https://discourse.lynckia.com/t/server-generated-ice-candidates/673)

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**Author:** [@windsurfdrew](https://discourse.lynckia.com/u/windsurfdrew)\
**Replies:** 2\
**Last updated:** [January 9, 2020, 1:09pm UTC](https://discourse.lynckia.com/t/server-generated-ice-candidates/673 "2020-01-09T13:09:47Z")

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What is the recommended way to control what kind of ICE candidates are generated by the licode server? I’m seeing failures when clients use firewalls that block UDP traffic. I’ve tried using stun and turn servers with t…

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## ["Blank" Screen - Trying to remove mediaStream not found](https://discourse.lynckia.com/t/blank-screen-trying-to-remove-mediastream-not-found/959)

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**Author:** [@mattstolarczyk](https://discourse.lynckia.com/u/mattstolarczyk)\
**Replies:** 0\
**Last updated:** [November 7, 2019, 1:50pm UTC](https://discourse.lynckia.com/t/blank-screen-trying-to-remove-mediastream-not-found/959 "2019-11-07T13:50:42Z")

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During a host w/4 participant meeting have noticed on various occasions where 1 of the participant reports a “blank” screen that is unrecoverable unless end meeting and re-enter upon invite. I have traced down the only l…

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## [Licode install Ubuntu 18.04 issue - installErizio SRTP Not Found](https://discourse.lynckia.com/t/licode-install-ubuntu-18-04-issue-installerizio-srtp-not-found/950)

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**Author:** [@mattstolarczyk](https://discourse.lynckia.com/u/mattstolarczyk)\
**Replies:** 2\
**Last updated:** [October 29, 2019, 5:36pm UTC](https://discourse.lynckia.com/t/licode-install-ubuntu-18-04-issue-installerizio-srtp-not-found/950 "2019-10-29T17:36:15Z")

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Followed steps successfully till - ./scripts/installErizo.sh lib not found: SRTP-NOTFOUND check README online refs for install reference 14.04 Ubuntu

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## [Localhost:3001 start button hidden/disabled](https://discourse.lynckia.com/t/localhost-3001-start-button-hidden-disabled/952)

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**Author:** [@mattstolarczyk](https://discourse.lynckia.com/u/mattstolarczyk)\
**Replies:** 0\
**Last updated:** [October 22, 2019, 2:36pm UTC](https://discourse.lynckia.com/t/localhost-3001-start-button-hidden-disabled/952 "2019-10-22T14:36:54Z")

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On Ubuntu 18.04 after following install steps and initLicode.sh and initBasicExample.sh and using chrome on localhost:3001 the Start button is hidden disabled

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## [initLicode.sh - libavresample.so.2 error](https://discourse.lynckia.com/t/initlicode-sh-libavresample-so-2-error/951)

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**Author:** [@mattstolarczyk](https://discourse.lynckia.com/u/mattstolarczyk)\
**Replies:** 0\
**Last updated:** [October 22, 2019, 2:34pm UTC](https://discourse.lynckia.com/t/initlicode-sh-libavresample-so-2-error/951 "2019-10-22T14:34:31Z")

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Cannot open sharfe objexct file did install library stand-alone via sudo apt-get install -y libavresample-dev and also ffmepg but issue still persists

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## [Enabling simulcast always publish with lower quality on chrome v 75 onwards](https://discourse.lynckia.com/t/enabling-simulcast-always-publish-with-lower-quality-on-chrome-v-75-onwards/947)

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**Author:** [@boby](https://discourse.lynckia.com/u/boby)\
**Replies:** 3\
**Last updated:** [September 17, 2019, 1:29pm UTC](https://discourse.lynckia.com/t/enabling-simulcast-always-publish-with-lower-quality-on-chrome-v-75-onwards/947 "2019-09-17T13:29:53Z")

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Hello, I tried simulcast with three layers on chrome 77, but am not able to get all three layers. Highest layer I get is 360P though max b/w is set as 4MB in both client and server configs. Also resolution is set as 720…

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## [Detect who is talking in the room](https://discourse.lynckia.com/t/detect-who-is-talking-in-the-room/689)

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**Author:** [@mkh](https://discourse.lynckia.com/u/mkh)\
**Replies:** 6\
**Last updated:** [August 9, 2019, 9:21am UTC](https://discourse.lynckia.com/t/detect-who-is-talking-in-the-room/689 "2019-08-09T09:21:49Z")

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Consider there are multiple speakers in the room. Is there a way to detect the active speaker(s) so we can for example show who is talking and bring his/her video up?

[Next page](https://discourse.lynckia.com/c/support/5.md?page=1)