Tuesday, December 3, 2019

Ignite 2019 - BRK3217 - Optimizing coexistence on your path to Teams

Presented by: László Somi and Bryan Nyce

Session summary:
Determine the most suitable approach based on your current Skype for Business implementation and business goals with Teams. This session will review options for coexistence between Skype for Business and Teams, including scenario based considerations.

My notes:

The starting point includes Skype for business and the end point is all users in Teams Only mode. The key considerations are
  • Feature requirements and overlapping functionality
  • Moving all users at once or in cohorts
    (cohort - a group of people banded together or treated as a group)
  • The velocity to move users to Teams Only

In an upgrade the user will chat, call and hold meetings in Teams and all data about future meetings are upgraded as well. The Skype for business client will remain on the computer in a "meetings only" mode to join future SfB meetings.

In a side-by-side Islands mode scenario, calling and incoming federated messages will go to the Skype for Business client. There will be two buttons to schedule meetings in Outlook.

Phone system features (Calling plans and/or Direct Routing) will not be available until the user is in Teams Only mode.


In Islands mode presence is shared and there is interoperability between SfB and Teams clients, but it is not a "native" experience it is a text only chat. There will be graphical elements in both clients showing which system the user you are chatting with is using. Make sure that you have the latest versions of both clients, this especially important for desktop sharing from SfB to Teams to work. Desktop sharing in interoperability mode is realized by starting a meeting - either in SfB (if that is where the initiating user is located) or in Teams. If you want the native experience - get to Teams.

Consider the meeting rooms - if you have SRS you can keep using these rooms, LRS rooms must be upgraded. Think about which audio devices are in use, will they work with Teams?

Voice Migration Options

In Skype for business voice could be enabled via
  • SfB On-premises Enterprise Voice
  • SfB On-premises Configuration Hybrid (OPCH)
  • SfB Online Calling Plans
  • SfB Onlie Cloud Connector Edition (CCE)
In Teams there are Calling Plans and/or Direct Routing.

Questions and Answers

There is a function to automatically update SfB meetings to Teams, is it working?
Yes, the Meeting Migration Service has been used by many customers already, and it works with Exchange Online.

Is there and option to use Teams for chat only?
Yes, by turning off features one-by-one by policies.

Can we use a number in our own PBX as the dial-in conferencing number in Teams?
No, Teams dial-in services are only provided by the Audio conferencing services from Microsoft in the cloud. It is possible to migrate the number to Office 365, purchase communications credits and make that number show up in Teams meeting invitations.

Can we migrate SfB Response Groups to Teams?
SfB Response Groups can be moved to Teams Org auto attendants and call queues, but this would be a manual process.

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