Cisco 7925G Deployment Manual page 147

Note: The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are unable to utilize accessories from the Cisco
Unified Wireless IP Phone 7921G, as they are not compatible.
The Cisco Unified Wireless IP Phone 7925G and 7925G-EX utilize the same accessories.
The batteries and chargers are the same for the 7925G, 7925G-EX, and 7926G, but have different cases.
The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G has a 2.5 mm, 3 band / 4 conductor wired headset jack
(Nokia compatible).
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide
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