Looking for community input on migrations from a on-prem UCM/IMP/MRA 12.0 environment of AD authentication to Oauth/SSO.
The migration looks like an all or nothing on the infrastructure side. Is there a clear way to do this without putting abrupt changes on the end user? With UCM its an on/off from what it looks like. Though you have the Expressway flexibility to have multiple UCMs with different authen methods.
Anyone able to test this on without spinning up separate domains/infrastructure? Lessons learned etc? We are actively deploying it following documentation like this below but if there is any first-hand experience out there, feedback would be greatly appreciated.
Well, besides changing it on the Expressway-C configurations, I would also recommend to go to: CUCM -> Enterprise Parameters, and change the "OAuth with Refresh Login Flow" to True.
If you also have Unity Connection and you are allowing users to access from their Cisco Jabber to their voicemail boxes, so you also MUST do the following:
Go to Unity Connection -> System Settings (menu) -> Authz Servers
And just add your CUCM as your OAuth Token provider, because if you don't do that then your users won't be able to access their voicemail anymore, as Unity needs to verify the OAuth token that Expressway-C sent him, and he has no knowledge about those tokens without the CUCM.
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