Federation must be configured with the Microsoft Push Notification Clearing House to deliver push notifications to Apple and Microsoft mobile users. In Lync Server 2013, this is done by adding a new hosting provider configuration. Perform these steps to enable the hosting provider for push notifications:
1. Open the Lync Server Management Shell (PowerShell).
2. Run the following command to add the hosting provider:
New-CsHostingProvider -Identity <Lync Online hosting provider> -Enabled $True -ProxyFqdn <FQDN for the Access Server used by the hosting provider> -VerificationLevel UseSourceVerification
The following example shows the command that would be used for
companyabc with an the Push Notification ...