# Entering phone signatures for NSNA using EDM

Use the following procedure to specify IP phone signatures for NSNA.

## Prerequisites

- Open one of the supported browsers.

- Enter the IP address of the switch to open an EDM session.

## Procedure steps

1. From the navigation tree, double-click Security.

2. In the Security tree, double-click NSNA.

3. In the work area, select the IP Phone Signature tab.

4. In the toolbar, click Insert.

   The Insert IP Phone Signature dialog box appears.

5. Enter the IP phone signature string in the field (for example, Nortel-i2004-A).

6. Click Insert.

## Variable definitions

The following table describes the fields of IP Phone Signature tab.

Variable | Value
--- | ---
IpPhoneSignatureString | Indicates the signature string of an IP phone.