Product comparison · 2 ip phones

AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 vs Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

26specifications compared
11differ
15identical
53known for one product only

Key differences

The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 1 mm more width than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (225.9 mm vs 224.9 mm). The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 4.1 mm more depth than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (210.3 mm vs 206.2 mm). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 82.3 mm more height than the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 (174.9 mm vs 92.6 mm). Only the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has touchscreen. Product colour: Black on the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6, Grey on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi.

Product colour
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Black
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:Grey
Display
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:TFT
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:LCD
Display diagonal
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:12.7 cm (5")
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:7.11 cm (2.8")
Display resolution
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:1280 x 720 pixels
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:320 x 240 pixels
Touchscreen
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Yes
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:No
Ethernet LAN data rates
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:10,100,1000 Mbit/s
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:1000 Mbit/s
Operating temperature (T-T)
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:0 - 40 °C
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-10 - 45 °C
Storage temperature (T-T)
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:-20 - 70 °C
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-30 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of C456HD, SIP-T44U
79 specifications	A AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 Model C456HD View product	B Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi Model SIP-T44U View product
Design1 differ
Product type	IP Phone	IP Phone
Handset typeKnown for one	Wired handset	Unknown — not stated by the source
Product colourDiffers	Black	Grey
Wall mountable	Yes	Yes
Performanceidentical
Operating system installedKnown for one	Android	Unknown — not stated by the source
Operating system versionKnown for one	13	Unknown — not stated by the source
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	SIP info	Unknown — not stated by the source
Phone featuresidentical
Answering machineKnown for one	Yes	Unknown — not stated by the source
Call hold	Yes	Yes
Call transferKnown for one	Yes	Unknown — not stated by the source
Caller ID	Yes	Yes
Full duplex	Yes	Yes
Message-waiting indicator (MWI)Known for one	Yes	Unknown — not stated by the source
RedialingKnown for one	Yes	Unknown — not stated by the source
Speed diallingKnown for one	Yes	Unknown — not stated by the source
Lines quantityKnown for one	Unknown — not stated by the source	8 lines
Anonymous callKnown for one	Unknown — not stated by the source	Yes
Call forwardingKnown for one	Unknown — not stated by the source	Yes
Call waitingKnown for one	Unknown — not stated by the source	Yes
Conference callKnown for one	Unknown — not stated by the source	Yes
Direct callKnown for one	Unknown — not stated by the source	Yes
Number of VoIP accountsKnown for one	Unknown — not stated by the source	12
Phonebook capacityKnown for one	Unknown — not stated by the source	1000 entries
SIP registrar serverKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Integrated voicemailKnown for one	Yes	Unknown — not stated by the source
Volume controlKnown for one	Buttons	Unknown — not stated by the source
Number of programmable keysKnown for one	1	Unknown — not stated by the source
Display4 differ
DisplayDiffers	TFT	LCD
Display diagonalDiffers	12.7 cm (5")	7.11 cm (2.8")
Display resolutionDiffers	1280 x 720 pixels	320 x 240 pixels
TouchscreenDiffers	Yes	No
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Speakerphone	Yes	Yes
Microphone mute	Yes	Yes
Adaptive jitter buffersKnown for one	Yes	Unknown — not stated by the source
Comfort noise generation (CNG)Known for one	Yes	Unknown — not stated by the source
Echo cancellationKnown for one	Yes	Unknown — not stated by the source
Packet loss concealment (PLC)Known for one	Yes	Unknown — not stated by the source
Voice activity detectionKnown for one	Yes	Unknown — not stated by the source
Voice codecsKnown for one	G.711, G.722, G.729, Silk	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi	Yes	Yes
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3af	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	HTTPS, SRTP, TLS	Unknown — not stated by the source
Supported network protocolsKnown for one	UDP/TCP, NTP, DNS/SRV	Unknown — not stated by the source
Ports & interfacesidentical
Headset connectivityKnown for one	USB	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	2	2
WAN connection typeKnown for one	RJ-45	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
RJ-9 ports quantityKnown for one	Unknown — not stated by the source	2
Certificatesidentical
Certified for Microsoft TeamsKnown for one	Yes	Unknown — not stated by the source
Compliance certificatesKnown for one	TAA	Unknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	-10 - 45 °C
Storage temperature (T-T)Differs	-20 - 70 °C	-30 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensions3 differ
WidthDiffers	225.9 mm	224.9 mm
DepthDiffers	210.3 mm	206.2 mm
HeightDiffers	92.6 mm	174.9 mm
WeightKnown for one	1.11 kg	Unknown — not stated by the source
Package widthKnown for one	323 mm	Unknown — not stated by the source
Package depthKnown for one	238 mm	Unknown — not stated by the source
Package heightKnown for one	86 mm	Unknown — not stated by the source
Package weightKnown for one	1.5 kg	Unknown — not stated by the source
Packaging contentidentical
Mounting kitKnown for one	Yes	Unknown — not stated by the source
Ethernet cable	Yes	Yes
Handset	Yes	Yes
Headset includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Number of handles included	1 pc(s)	1 pc(s)
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Stand includedKnown for one	Unknown — not stated by the source	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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