Efficient deployment and managementyealink t4u series supports effortless mass deployment and zero touch provisioning with yealink's redirection and provisioning service rps and boot mechanism, making the device management labor-saving and efficient for the administrators.Color-screen expansion module exp43the 4.3-Inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified ui and up to 60 programmable keys for various features. Design product type ip phone handset type wired handset product colour grey phone features phonebook capacity 1000 entries number of voip accounts 16 redialing yes conference call yes call forwarding yes call hold yes call waiting yes caller id yes display display lcd display diagonal 10.9 Cm 4.3 Display resolution 480 x 272 pixels touchscreen no backlight display yes audio speakerphone yes voice codecs agc, ajb, amr-wb, cng, g.711, G.722, G.723.1, G.726, G.729Ab, vad, ilbc network ethernet lan yes ethernet lan data rates 10,100,1000 mbit s ethernet lan interface type gigabit ethernet wi-fi yes bluetooth yes security algorithms aes, https, srtp, tls ports & interfaces usb 2.0 Ports quantity 2 expansion module support yes ethernet lan rj-45 ports 2 power power over ethernet poe yes ac adapter input voltage 100
240 V operational conditions operating relative humidity h-h 10
95% Operating temperature t-t 0
40 C weight & dimensions width 244 mm depth 213 mm height 185 mm packaging content number of...
Brand: Yealink
Efficient deployment and managementyealink t4u series supports effortless mass deployment and zero touch provisioning with yealink's redirection and provisioning service rps and boot mechanism, making
