OAuth and third-party app ID changes for all Yealink Skype for Business IP phones

Microsoft recently announced that it will enable third-party applications and use OAuth 2.0 to provide users with greater security. This change is confined to 3PIP certified Skype for Business IP phones and requires the update of Microsoft server synchronization for all 3PIP partners.
Yealink released new firmware for its complete range of Skype for Business phones in Mid-May, well in advance of the January 15, 2020 deadline for Microsoft’s global service update.
In order to ensure that end users can successfully sign in to the phones in question, administrators must complete the following steps before the deadline.
Step One
Admins will be asked to consent one time on behalf of the organization to grant the application the necessary permissions.
a) URL access:
b) Sign-in using the tenant admin account rather than as a user. Please note that only administrator accounts can grant the relevant permissions. Non-administrator account users will be forwarded to the Need Admin Approval Page.
c) When successful, the Device Login Page will recognize the device as a Yealink – Skype for Business Certified Phone.
d) Click Accept to grant all the required permissions on the below consent screen from Azure. Then, other users in the organization can sign-in according to the typical Web Sign-in and there will be no need to re-grant any permissions.

Step Two
Upgrade the firmware to the version that bundles the third-party application ID.
Series Model Version
T5X Desk Phone Series T58A and above
Conference Phone CP960 and above
T4XS Desk Phone Series T48S and above
T4XG Desk Phone Series T48G and above
T46G and above
T41P/T42G and above
To download the Skype for Business firmware, please visit Yealink Technical Support.
For more information, refer to https://techcommunity.microsoft.com/t5/Skype-for-Business-Blog/OAuth-2-0-and-third-party-application-ID/ba-p/482876

About Yealink
Founded in 2001, Yealink (Stock Code: 300628) is a leading global provider of enterprise communication and collaboration solutions, offering video conferencing service to worldwide enterprises. Focusing on research and development, Yealink also insists on innovation and creation. With the outstanding technical patents of cloud computing, audio, video and image processing technology, Yealink has built up a panoramic collaboration solution of audio and video conferencing by merging its cloud services with a series of endpoints products. As one of the best providers in more than 140 countries and regions including the US, the UK and Australia, Yealink ranks No.1 in the global market share of SIP phone shipments (Global IP Desktop Phone Growth Excellence Leadership Award Report, Frost & Sullivan, 2018). For more information, please visit: www.yealink.com.
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