Erwin Bierens

Knowledge is Power

Skype for Business Server 2015 - Cumulative Updates

Last update: 2022-02-25

Check current version

You can check the version of your current Skype for Business Server 2015 environment with the following cmdlet:

    Get-CsServerPatchVersion | ft -AutoSize

CU Table

In belows table you will find the CU versions for Skype for Business Server 2015, Links to CUs and release dates.

Version Cumulative Update KB Article(s) Alternative Download link
6.0.9319.0 RTM N/A
6.0.9319.55 June 2015 KB3061059
6.0.9319.88 Sept 2015 KB3098601
6.0.9319.102 Nov 2015 (CU1) KB3097645 Stack
6.0.9319.235 March 2016 (CU2) KB3134260 Stack
6.0.9319.259 June 2016 (CU3) KB3149227 Stack
6.0.9319.272 Nov 2016 (CU4) KB3199093 Stack
6.0.9319.277 Feb 2017 (CU4 HF1) KB3207506 Stack
6.0.9319.281 May 2017 (CU5) KB4012621 Stack
6.0.9319.510 Dec 2017 (CU6) KB4036312 Stack
6.0.9319.514 Jan 2018 (CU6 HF1) KB4074701 Stack
6.0.9319.516 March 2018 (CU6 HF2) KB4086059 Stack
6.0.9319.534 July 2018 (CU7) KB4340904 Stack
6.0.9319.537 January 2019 (CU8) KB4464355 Stack
6.0.9319.544 March 2019 (CU8 H1) KB4494279 Stack
6.0.9319.548 May 2019 (CU9) KB4487979 Stack
6.0.9319.559 Jul 2019 (CU10) KB4505401 Stack
6.0.9319.562 Aug 2019 (CU10 HF1) KB4518735 Stack
6.0.9319.580 May2020 (CU11) KB4558385 Stack
6.0.9319.591 July 2020 (CU11 Hotfix 1) KB3061064 Stack
6.0.9319.598 November 2020 (CU11 Hotfix 2) KB3061064 Stack
6.0.9319.601 Februari 2021 (CU11 Hotfix 3) KB3061064 Stack
6.0.9319.606 May 2021 (Security Update) KB5003729 Stack
6.0.9319.619 August 2021 (CU12) KB3061064 Stack
6.0.9319.619 Februari 2022 (CU12 Hotfix 1) KB3061064 Stack

Microsoft Teams - compact chat modus

2022-02-16 1 min read Microsoft Teams     "Erwin Bierens"

Microsoft released a new feature within the settings of your Teams client. If you like optimizing space in your chats you are now able set this to compact mode. Setting chat mode By default the setting is set to comfy mode.

Comfy mode Comfy mode

Compact mode Compact mode

Personally i tested this feature (Compact mode) for at most one hour, this is not the ideal chat view for me.

This feature is not (yet) working on iOS, Android, FireFox and Safari.

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Review: Audiocodes C470HD

2022-02-15 3 min read Microsoft Teams     "Erwin Bierens"

This post is a long time coming. I’ve had this phone for quite some while placed on my desk. I’m not a big fan of desk phones because i want to work from anyplace / anywhere, but in this particular i was very interested in the Audiocodes C470HD because it has WiFi onboard.

If you’re reading this, you are probably already familiar with AudioCodes. I was first introduced to them when I was installing Lync for a customer and needed a qualified gateway. AudioCodes, in fact, has a huge list of products for Microsoft Teams / Skype for Business from physical and virtual SBCs, gateways and VoIP, IP Phones and AI solutions.
Audiocodes C470HD

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Microsoft Teams - Outbound Caller-ID

2021-12-03 1 min read Microsoft Teams     "Erwin Bierens"

Setting a Caller ID for a user is common in the legacy PBX world. Microsoft Teams also has the option to set Caller ID policies, before it was only available to use service number that are ported to Microsoft, using anonymous or your own personal number. In below steps i will show you how you can perform this by PowerShell. This feature is not available by the Web GUI.

Minimum version of Microsoft Teams PowerShell module: 2.3.1

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Microsoft Teams - Spam Call Notifications

2021-11-19 1 min read Microsoft Teams     "Erwin Bierens"

In September 2021 Microsoft enrolled a new feature called “Spam Call Noticiations” Teams Spam Call Notifications

The spam call notification feature automatically evaluates incoming calls and identifies probable spam calls as “spam likely” in the call toast. Users still have the option to answer or reject the call, and all “spam likely” calls (regardless of whether they were answered or rejected) will also be reflected in the call history list.

How calls are being marked as “Spam Likely” it not defined, but i think it will use some of the below scenarios:

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Microsoft Teams - Unassigned Numbers

2021-10-26 2 min read Microsoft Teams     "Erwin Bierens"

Back in the days of Skype for Business Onpremises this was a default feature that was being used for announcements of old number ranges and severeral other cases like people leaving the company and reroute phone calls to reception.

For this new feature in Microsoft Teams you will need to have the PowerShell Microsoft Teams module version 2.5.1 or higher.

In this article about the Microsoft Teams PowerShell module you can check your version and method to upgrade.

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