How to assign Lync Voice Policy to all the Users of Domain

The following command is used in PowerShell to grant a voice policy to all the users of a domain.

	 “Get-CsUser -OU "ou=<domain>,ou=<OU>,dc=<>,dc=<>" | Grant-CsVoicePolicy -PolicyName "<Policy name>"”

By this command first we are getting the users of a whole OU and granting them voice policy.

Lync Servervoice policiesdefine the following for each user, site, or organization that is assigned the policy:

A set of calling features that can be enabled or disabled to determine the Enterprise Voice functionality available to users.
A set of public switched telephone network (PSTN) usage records that define what types of calls are authorized.