Microsoft Teams - Direct Routing Root Certificates Update

2022-10-05 1 min read Microsoft Teams "Erwin Bierens"

On May 12, 2025, the current root certificate “Baltimore CyberTrust Root” expires. This certificate now handles the encryption of Microsoft Teams but also Azure Communication Services and even still the old Skype for Business Online components.

The transition to the new root certificates has started by Microsoft in January 2022 and will be completed this month, October 2022. In case you are using Direct Routing with your Microsoft 365 tenant you probaly have uploaded the Baltimore CyberTrust Root certificate in to your SBC.

Microsoft Teams - Delegated Persmissions

2022-08-01 1 min read Microsoft Teams "Erwin Bierens"

For my job i’m working with a lot of customers that have been onboarded within in the Microsoft Cloud Solutions Provider program (CSP). From this point of view it’s easy to manage multiple tenants securely without having to manage all kind of admin identities for each customer. In the Microsoft Partner Center you can easily browse to a customer and go to service management menu to open the specific admin center. Continue reading

Microsoft Teams - Chat with yourself

2022-07-11 1 min read Microsoft Teams "Erwin Bierens"

Microsoft Teams has a new update that enables users to create a chat with themselves. This update (Feature ID 88066) has been rolled out to desktop, web and mobile users. If you don’t see it yet, log off and on to the Teams client and it probaly shows up in your pinned chats. Microsoft highlights that the new chat with self feature is designed to help users stay organized. Just like regular chats, you will be able to send yourself messages, notes, files, images, and videos. Continue reading

Microsoft Teams - PowerShell Module 4.5.0

2022-07-06 2 min read Microsoft Teams "Erwin Bierens"

Microsoft has released version 4.5.0 of the Teams PowerShell Module.

Microsoft Teams PowerShell Module (TPM) versions in the 4.x.x series or later are the only versions supported now. All earlier versions are fully retired since June 15, 2022 & will stop working (Message center post for reference - MC350371).

It’s recommended to update to the latest Teams PowerShell Module version.

Update your module by the following cmdlet:

Update-Module MicrosoftTeams

If you encounter problems you can use the -force parameter. For more info about installing the Microsoft Teams PowerShell module, follow this link.

Microsoft Teams - Using the SIP Gatway

2022-06-13 3 min read Microsoft Teams "Erwin Bierens"

While native Microsoft Teams phone devices provide the complete Teams user experience, we still met customers with an bunch of legacy SIP devices. In order to help these customers with their migration to Microsoft Teams, Microsoft has launched the Teams SIP Gateway. This is a cloud service that enables core Teams calling functionality on compatible SIP phone models from Cisco, Poly, Yealink and AudioCodes.

I’m going to describe the steps on how to provision SIP phones for Teams calling using this SIP Gateway with a Cisco CP-7841 IP Phone.

Microsoft Teams - Assign Direct Routing phone number in TAC

2022-03-16 1 min read Microsoft Teams "Erwin Bierens"

Microsoft released a new feature within the Teams Admin Center. It’s now possible to assign Direct Routing phone numbers in the GUI.

Setting chat mode

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. By default the setting is set to comfy mode. Comfy 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. Continue reading

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