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Date:      Thu, 7 May 2020 10:01:00 +0200
From:      =?UTF-8?Q?Henrik_Lidstr=c3=b6m?= <>
To:, Jerry <>
Subject:   Re: Microsoft Teams for Linux
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <>

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On 2020-05-06 09:40, Maciej Suszko wrote:
> On 5/5/20 3:36 PM, Jerry wrote:
>> On Tue, 5 May 2020 14:52:01 +0200, Maciej Suszko commented:
>>> Hi,
>>> I'm wondering if anyone tried to use Microsoft Temas either web version
>>> or desktop app... Web version does work but making audio/video call
>>> isn't officialy suppported, so you need to spoof user-agent to make it
>>> partially working - but from time to time MS change something and it
>>> just stop working. In the past weeks I was able to make audio calls,
>>> now it's not possible (neither Firefox nor Chrome)
>>> I tested my webcam and mic on and it's
>>> all working, so problematic is the web application from MS.
>>> Desktop application - here are two options, one for Linux, one for
>>> Windows. I tried to run the Linux version using linuxulator,
>>> brandelf-ing all the binaries but with no success...
>>> #v+
>>> tlhscd@arsenic:/tmp/teams/share/teams $ ./teams
>>> Trace/BPT trap (core dumped)
>>> #v-
>>> How do you think - are there any chances to make the desktop app
>>> working in out FreeBSD desktops?
>> I assume you are referring to "Microsoft Teams". Have you tried posting
>> your question here:
>> <>;
> No, I haven't but I'll take a look on that. I prefer using Firefox over
> Chrome, but following this:
> it's unsupported on making video/audio call - that's not the full truth.
> Web behavior depends on User-Agent beeing sent - spoofing it gives the
> possibility to make audio call, but that just stopped working in my
> case... I can't make audio call neither on Chrome nor on Firefox, so I
> suspect it's some MS change.
>> According to <>,
>> Microsoft Teams is now available on desktop and mobile operating
>> systems including Windows, Mac, Android, iOS and web platforms.
>> According to this URL:, MS
>> Teams is available for Linux. Of course, that is a far cry from
>> FreeBSD, so YMMV.
> True, desktop app is the preferred method using Teams, unfortunately
> there is no FreeBSD build and I suppose there won't be any... It would
> be nice to have it running using our Linux emulation layer - I can help
> to test it if anyone is interested.
>> Report back with your findings. I would be interested in the usability
>> of this application on FreeBSD.
> I'll do my best, Office365 and it's community is still growing
> particulary nowadays, in covid-19 times. Many companies use O365
> platform, which Teams is a part of.

I still have "half" working Teams in Firefox (76.0,1) with this UA: 
"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) 
Chrome/79.0.3945.79 Safari/537.36" using the plugin "user-agent switcher".

As you say, I only get audio and no video (neither my collegues can see 
me, or I can see them). If I enable camera my audio stops working.
However, when $company has had these big presentations using teams, 
video works for some reason (but then I'm not allowed audio, so I guess 
its in the way the meeting is set up).

Regards Henrik

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