The following link is a guide for installing the Cisco WBPN Wireless Wireless-N adapter, onto the phones listed.
Guide, click on this link: Cisco WBPN Guide.
Phones thare are compable for use with this device.
- Cisco SPA 303
- Cisco SPA 504G
- Cisco SPA 525G2
While this device may work with other voip phones, $company, has only teste it with currently supported Cisco phones.