Audio
Voice codecs	G.711, G.722, G.729, Silk
Speakerphone
Microphone mute
Echo cancellation
Voice activity detection
Adaptive jitter buffers
Comfort noise generation (CNG)
Packet loss concealment (PLC)
Certificates
Compliance certificates	Trade Agreements Act (TAA), Electromagnetic Compatibility (EMC)
Certified for Microsoft Teams
Design
Product type	IP Phone
Handset type	Wired handset
Product colour	Black
Wall mountable
Display
Display	LCD
Display diagonal	10.9 cm (4.3")
Touchscreen
Logistics data
Products per master (outer) case	15950 pc(s)
Master (outer) case length	500 mm
Master (outer) case width	532 mm
Master (outer) case height	361 mm
Management features
Volume control	Buttons
Integrated voicemail
Network
Ethernet LAN interface type	Gigabit Ethernet
Ethernet LAN data rates	10,100,1000 Mbit/s
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Supported network protocols	UDP/TCP, NTP, DNS/SRV
Security algorithms	802.1x RADIUS, HTTPS, SRTP, TLS
Networking standards	IEEE 802.3af
Ethernet LAN
Wi-Fi
Bluetooth
Quality of Service (QoS) support
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)
Cables included	LAN (RJ-45)
Mounting kit
Ethernet cable
Handset
Manual
Performance
Operating system installed	Android
Operating system version	12
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Phone features
Frequency band	2.4 - 5 GHz
Answering machine
Call waiting
Speed dialling
Call hold
Call forwarding
Conference call
Redialing
Do not disturb function
Caller ID
Call park
Call pick up
Full duplex
Call transfer
Message-waiting indicator (MWI)
Ports & interfaces
Ethernet LAN (RJ-45) ports	2
WAN connection type	RJ-45
DC-in jack
Cable lock slot
Power
AC adapter input voltage	100 - 240 V
Input current	2 A
AC adapter output voltage	12 V
Power over Ethernet (PoE)
Weight & dimensions
Width	249 mm
Depth	132 mm
Height	189.2 mm
Weight	934 g
Package width	316 mm
Package depth	255 mm
Package height	95 mm
Package weight	940 g

Teams C436HD IP-Phone PoE GbE black with integrated Dual Band Wi-Fi,2 Ethernet 10/100/1000 ports, 18 Programmable keys, 480x272 color LCD 4.3\'\', 376x60 integrated sidecar LCD and Power over Ethernet (PoE)