Log in to the Microsoft Front End server as the administrator.
ADDITIONAL INFORMATION:
Note:
This administrator user must be part of the CSAdministrator group.
Start the Microsoft S4B Server Control Panel or the Skype for Business Server Control Panel application.
In the Federation and External Access section, select the SIP Federated Domains tab.
Select Allowed domain to add a new domain.
In the Domain name field, add the Presence or the IM handle domain used by the federated Avaya Aura® users.
ADDITIONAL INFORMATION:
For example, if a Microsoft user ms-user@domain2.com is federating with an Avaya Aura® user with a presence handle: aura-user@domain1.com, then the domain field should contain: domain1.com.
In the Access Edge service (FQDN) field, enter the FQDN of the Avaya Session Border Controller for Enterprise.
In the Comment field, add an appropriate comment.
Click Commit.
After the commit, ensure that the domain is set to