This post is about migrating SFB (Online) IP phones to Microsoft Teams SIP Gateway. In case you have still IP phones for Skype for Business (Online) and you want to keep these a bit longer, there is something you can (still) do. As long as your SFB IP phones are supported for Teams SIP gateway and the Teams SIP gateway features are fine for your users, you could migrate them to Microsoft Teams SIP gateway. Otherwise you could also go ahead without hard phones, just using headsets or switch to Teams IP phones, Teams Displays or else.

Why should I migrate?

If you have SFB IP phones connected to the SFB Online gateway, this will not longer work after July 31, 2023.

What’s required?

To migrate a SFB IP phone to Teams SIP gateway the SFB IP phone must be compatible.

You need to configure SIP gateway for your organization.

How can I upgrade the devices to work with Microsoft Teams SIP gateway?

There several approaches available and also depending on the SFB IP phones you’ve got. In case you have to configure many devices …

Migration path for compatible Audiocodes SFB IP phones

• …. the Audiocodes One Voice Operation Center (OVOC) and Audiocodes Device Manager are probably the way to go.
• Therefore you need to onboard all devices to OVOC.
• Configure Audiocodes Device Manager to provision the Teams SIP gateway provisioning URL.
• Upgrade the Audiocodes SFB IP phone firmware to a supported release for Teams SIP gateway.
• On the Audiocodes Device Manager “Set as Teams SIP gateway”.
• proceed with “Setup Teams SIP gateway”

Migration path for compatible Poly / HP SFB IP phones

• … the Poly Lens probably the way to go.
• Therefore you need to onboard all devices to Poly Lens.
• Upgrade the Poly SFB IP phone firmware to a supported release for Teams SIP gateway.
• Reset the Poly SFB IP phones remotely by utilizing Poly Lens
• Configure a Phone Policy to enable SIP gateway provisioning
• proceed with “Setup Teams SIP gateway”

Migration path for compatible for Yealink SFB IP phones

• … reset your Yealink SFB IP phones to factory defaults.
• Configure your DHCP for SIP gateway provisioning
• proceed with “Setup Teams SIP gateway”

Setup Teams SIP gateway

That the devices can connect follow Microsoft’s documentation:

• Configure SIP Gateway – Microsoft Teams | Microsoft Learn

Activate SFB IP phones for Teams SIP gateway

• Now login locally on the SFB IP phone or
• enroll these SFB IP phones remotely

Additional resources

• SIP gateway for Microsoft Teams Calling – erik365.blog
• Upgrade Skype for Business Online (3PIP) phones to Microsoft Teams using SIP Gateway – Microsoft Community Hub
• Plan SIP Gateway – Microsoft Teams | Microsoft Learn
• Getting phones for Skype for Business Online – Skype for Business Online | Microsoft Learn
• Skype for Business Online End of Service 2021 – erik365.blog
• Phones and Devices for Skype for Business | Microsoft Learn
• Converting Skype for Business Phones to Teams SIP Gateway (audiocodes.com)
• 0479 Product Notice – Migration of SFB-Compatible IP Phones to Teams SIP Gateway (audiocodes.com)