By using standard encryption protocols, the SIP-T27G performs highly secure remote provisioning and software upgrades. Features > Yealink Optima HD voice > 3.66 240x120-pixel graphical LCD with backlight > Gigabit > USB 2.0 > Opus codec support > Up to 6 SIP accounts > Paper label free design > PoE support > Headset, EHS support > Supports expansion modules Specification Audio Features > HD voice: HD handset, HD speaker > Wideband codec: Opus, G. 722 > Narrowband codec: Opus, G. W/CTN: 6.6 kg > G.W/CTN: 7.4 kg > Giftbox size: 295mm x 224mm x 115mm > Carton Meas: 602mm x 308mm x 236mm. The item "6 Pack Yealink SIP-T27G Executive Gigabit SIP VoIP IP Phone PoE 6 Line HD T27G" is in sale since Friday, August 30, 2019. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "speaker-supply" and is located in Austin, Texas. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Brazil, Chile, Colombia, Costa rica, Aruba, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bolivia, Ecuador, Egypt, Gibraltar, Guadeloupe, Iceland, Jordan, Cayman islands, Sri lanka, Martinique, Maldives, Nicaragua, Peru, Pakistan, Paraguay, Viet nam, Uruguay.