Product comparison · 2 ip phones

AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi vs Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

24specifications compared
8differ
16identical
53known for one product only

Key differences

The AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi has 24.1 mm more width than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (249 mm vs 224.9 mm). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 74.2 mm more depth than the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi (206.2 mm vs 132 mm). The AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi has 14.3 mm more height than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (189.2 mm vs 174.9 mm). Product colour: Black on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, Grey on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi. Display diagonal: 10.9 cm (4.3") on the AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi, 7.11 cm (2.8") on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi.

Product colour
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:Black
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:Grey
Display diagonal
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:10.9 cm (4.3")
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:7.11 cm (2.8")
Ethernet LAN data rates
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:10,100,1000 Mbit/s
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:1000 Mbit/s
Operating temperature (T-T)
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:0 - 40 °C
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-10 - 45 °C
Storage temperature (T-T)
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:-20 - 70 °C
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-30 - 70 °C
Width
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:249 mm
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:224.9 mm
Depth
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:132 mm
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:206.2 mm
Height
- Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi:189.2 mm
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:174.9 mm

Side by side

Differences highlightedShow differences only

Comparison of C436HD, SIP-T44U
77 specifications	A AudioCodes Teams C436HD TAA IP-Phone PoE GbE black with integrated Dual Band Wi-Fi Model C436HD View product	B Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi Model SIP-T44U View product
Design1 differ
Handset typeKnown for one	Wired handset	Unknown — not stated by the source
Product colourDiffers	Black	Grey
Performanceidentical
Operating system installedKnown for one	Android	Unknown — not stated by the source
Operating system versionKnown for one	12	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 transferKnown for one	Yes	Unknown — not stated by the source
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
Display1 differ
Display diagonalDiffers	10.9 cm (4.3")	7.11 cm (2.8")
Display resolutionKnown for one	Unknown — not stated by the source	320 x 240 pixels
TouchscreenKnown for one	Unknown — not stated by the source	No
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Audioidentical
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 data ratesDiffers	10,100,1000 Mbit/s	1000 Mbit/s
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	No	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
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
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
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	249 mm	224.9 mm
DepthDiffers	132 mm	206.2 mm
HeightDiffers	189.2 mm	174.9 mm
WeightKnown for one	934 g	Unknown — not stated by the source
Package widthKnown for one	316 mm	Unknown — not stated by the source
Package depthKnown for one	255 mm	Unknown — not stated by the source
Package heightKnown for one	95 mm	Unknown — not stated by the source
Package weightKnown for one	940 g	Unknown — not stated by the source
Packaging contentidentical
Mounting kitKnown for one	Yes	Unknown — not stated by the source
Headset includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
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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