Get-ActiveSyncUsers.ps1

<#	
	.NOTES
	===========================================================================
	 Created on:   	06/05/2016 14:41
	 Created by:   	dpadgett
	 Organization: 	dpadgett
	 Filename:     	Get-ActiveSyncUsers.ps1
	===========================================================================
	.DESCRIPTION
		This will list all users with an activeSYNC policy of BYOD then output their
        usernames, displaynames and mobile numbers from AD. 

    .USAGE
        Change line 17 (to your exchange server)
        Change line 23 to include your policy name
#>

$Session = New-PSSession –ConfigurationName Microsoft.Exchange –ConnectionUri http://server/PowerShell/
Import-PSSession $Session
Import-Module ActiveDirectory
$Output = @()

$list = Get-CASMailbox | where{ $_.activesyncmailboxpolicy -match "BYOD" } | select samaccountname, displayname

$List | % {
	$output += [PSCustomObject] @{
		FullName = $_.samaccountname
        Username = $_.displayname
		Phone = (Get-ADUser $_.samaccountname -prop mobilephone).mobilephone
	}
}

$Output