Yealink SIP-T43U Feature Rich IP Power over Ethernet Corded Phone with Optima HD Voice Technology and 3.7 Inch LCD Graphical Display with Backlight (360 x 160 Pixel) - Black All handsets Require a hosted licence. This licence is added below at a price of £9.60 per month. The Handset cost is calculated over 36 months. Other options are available please call us.