Audio Voice codecs G.711, G.722, G.729, Silk Speakerphone Yes Microphone mute Yes Echo cancellation Yes Voice activity detection Yes Adaptive jitter buffers Yes Comfort noise generation (CNG) Yes Packet loss concealment (PLC) Yes Certificates Certified for Microsoft Teams Yes Design Product type IP Phone Handset type Wired handset Product colour Black Wall mountable Yes Display Display TFT Display diagonal 12.7 cm (5") Display resolution 1280 x 720 pixels Touchscreen Yes Management features Volume control Buttons Number of programmable keys 1 Integrated voicemail Yes Network Ethernet LAN interface type Gigabit Ethernet Ethernet LAN data rates 10,100,1000 Mbit/s Supported network protocols UDP/TCP, NTP, DNS/SRV Security algorithms HTTPS, SRTP, TLS Networking standards IEEE 802.3af Ethernet LAN Yes Wi-Fi No Bluetooth No Quality of Service (QoS) support Yes Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -20 - 70 °C Packaging content Number of handles included 1 pc(s) Mounting kit Yes Ethernet cable Yes Handset Yes Manual Yes Headset included Yes Performance Operating system installed Android Operating system version 13 Dual-Tone Multi-Frequency (DTMF) modes SIP info Phone features Answering machine Yes Speed dialling Yes Call hold Yes Redialing Yes Caller ID Yes Full duplex Yes Call transfer Yes Message-waiting indicator (MWI) Yes Ports & interfaces Headset connectivity USB Ethernet LAN (RJ-45) ports 2 WAN connection type RJ-45 DC-in jack Yes Cable lock slot Yes Power Power over Ethernet (PoE) Yes Weight & dimensions Width 225.9 mm Depth 210.3 mm Height 92.6 mm Weight 1.11 kg Package width 323 mm Package depth 238 mm Package height 86 mm Package weight 1.5 kg
Teams C456D IP-Phone PoE GbE black2 Ethernet 10/100/1000 ports, 1280x720 12,7 cm ( 5 inch ) Color Touch LCD and Power over Ethernet (PoE) optional support for Gen2 Expansion unit