First Look: Yealink SIP-W52P and Yealink SIP-W52H - VoIP Insider
Yealink W52H IP Expansion Handset - Grade B
IP DECT Phone bundle W52H with W60 base - BuyNESP
Amazon.com : Yealink W52H Cordless DECT IP Phone, Base Station Not Included, 1.8-Inch Color Display. 10/100 Ethernet, 802.3af PoE, Power Adapter Included : Cordless Telephones : Office Products