No Power Adapter included TTE - An Authorized Dealer! The Yealink SIP-T23G features intuitive user interface and enhanced functionality which make it easy for people to interact and maximize productivity. Yealink HD technology enables rich, clear, life-like voice communications, outsourced management options, flexible deployment and third-party communications applications. Up to 3 SIP accounts. Simple, flexible and secure provisioning options.Power over Ethernet (IEEE 802.3af), class 2. No power supply included (YEA-PS5V600US). Not compatible with expansion module. WHY PAY THE LISTING PRICE WHEN YOU CAN MAKE ME AN OFFER! The item "MAKE ME AN OFFER Lot of 5 Yealink SIP-T23G Pro GB SIP VoIP IP Phone PoE" is in sale since Wednesday, October 25, 2017. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "tte02" and is located in Austin, Texas. This item can be shipped worldwide.