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Pulling my hair out trying to register Yealkink SIP-T48S
I decided to try Skype for Business for an office phone and I am regretting that decision. The best phone appeared to be the T48S because it had the firmware and was made for Skype for Business. ...
I assume you've checked all the basics.
You have an E5 license and a phone number provisioned?
You've checked your firewall logs to make sure it is not being blocked somehow.
Does your account require MFA? Do you have CA setup? Check the auth logs in Azure or ADFS to make sure the device is not being denied auth.
You have an E5 license and a phone number provisioned?
You've checked your firewall logs to make sure it is not being blocked somehow.
Does your account require MFA? Do you have CA setup? Check the auth logs in Azure or ADFS to make sure the device is not being denied auth.