NHSmail Teams – list of federated organisations Guidance on Microsoft Teams federation to allow the connection of an organisation's own implementation of Teams, either an on premise or online solution.
External communication (federation) in Microsoft Teams From July 2021, NHSmail Teams users have the ability to search, message and call users from federated ‘non-NHSmail’ organisations, and for users from the other organisation to do the same with NHSmail users.
Teams Federation Guidance The following article provides guidance for non-NHSmail organisations to enable external communication with NHSmail’s Microsoft Teams service from their own Teams platform.
Introduction to team federation process and capabilities Guidance on Teams Federation Access - Capabilities and Process
Create a Teams federation allow list request Guidance around allow listing external domains within the NHSmail shared tenant environment to have Teams federation successfully enabled