[This is preliminary documentation and is subject to change. Blank topics are included as placeholders.]

Retrieves one or more associations between a Location Information Server (LIS) subnet and a location. This association is used in an Enhanced 911 (E9-1-1) Enterprise Voice implementation to notify an emergency services operator of the caller’s location.




Parameter Required Type Description

Detailed Description

Enhanced 911 allows an emergency operator to identify the location of a caller without having to ask the caller for that information. In the case where a caller is calling from a Voice over IP (VoIP) connection that information must be extracted based on various connection factors. The VoIP administrator must configure a location map (called a wiremap) that will determine a caller’s location. This cmdlet retrieves information on associations between physical locations and the subnet through which calls will be routed.

This cmdlet does not take any parameters (other than the Windows PowerShell common parameters). The cmdlet will retrieve all instances of subnet to location mappings. To narrow down the information retrieved you must pipe the output from this cmdlet to another Windows PowerShell cmdlet such as Where-Object or Select-Object.

Return Types

This cmdlet retrieves an object of type System.Management.Automation.PSCustomObject.


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Example 1 retrieves all LIS subnet locations that have been defined in the Microsoft Communications Server 2010 deployment.

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Get-CsLisSubnet | Where-Object {$_.Subnet -eq ""}

This example retrieves all information for the subnet with the IP address The command begins by calling Get-CsLisSubnet to retrieve all subnet location associations. This collection of subnet locations is piped to the Where-Object cmdlet. Where-Object checks the Subnet property of each item in the collection to determine whether the value is equal to (-eq) Because the Subnet ID must be unique, this command will return, at most, one object.