This document explains how to determine the MAC Address of the Cisco SPA504G IP Phone. This will allow you to check the MAC address of the phone by using the phone menu on the phone display.
• Cisco 504G IP Phone
Step 1. Press the Setup button on the SPA504G to open the Setup menu.
Step 2. Press 3 or scroll down with the navigation keys to option 3 and press Select soft-key to open the Settings menu.
Step 3. Press 5 or scroll down with the navigation keys to option 5 and press Select soft-key to open the Network Configuration menu.
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Step 4. Press 3 or scroll down with the navigation keys to option 4. This will display the MAC address of the SPA504G Phone.