Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

29specifications compared
12differ
17identical
46known for one product only

Key differences

The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 4 lines more lines quantity than the AudioCodes 425HD TAA IP-Phone PoE GbE black (8 lines vs 4 lines). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 1 more RJ-9 ports quantity than the AudioCodes 425HD TAA IP-Phone PoE GbE black (2 vs 1). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 14.5 mm more width than the AudioCodes 425HD TAA IP-Phone PoE GbE black (224.9 mm vs 210.4 mm). Only the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has Wi-Fi. Product colour: Black on the AudioCodes 425HD TAA IP-Phone PoE GbE black, Grey on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi.

Product colour
- 425HD TAA IP-Phone PoE GbE black:Black
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:Grey
Lines quantity
- 425HD TAA IP-Phone PoE GbE black:4 lines
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:8 lines
Display diagonal
- 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:7.11 cm (2.8")
Display resolution
- 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:320 x 240 pixels
Ethernet LAN data rates
- 425HD TAA IP-Phone PoE GbE black:10,100,1000 Mbit/s
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:1000 Mbit/s
Wi-Fi
- 425HD TAA IP-Phone PoE GbE black:No
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:Yes
RJ-9 ports quantity
- 425HD TAA IP-Phone PoE GbE black:1
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:2
Operating temperature (T-T)
- 425HD TAA IP-Phone PoE GbE black:0 - 40 °C
- SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-10 - 45 °C

Side by side

Differences highlightedShow differences only

Comparison of 425HD, SIP-T44U
75 specifications	A AudioCodes 425HD TAA IP-Phone PoE GbE black Model 425HD 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
Wall mountableKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	SIP info	Unknown — not stated by the source
Phone features1 differ
Lines quantityDiffers	4 lines	8 lines
Answering machineKnown for one	Yes	Unknown — not stated by the source
Call parkKnown for one	Yes	Unknown — not stated by the source
Call pick upKnown for one	Yes	Unknown — not stated by the source
Call transferKnown for one	Yes	Unknown — not stated by the source
Do not disturb functionKnown 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
Anonymous 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
Volume controlKnown for one	Buttons	Unknown — not stated by the source
Number of programmable keysKnown for one	8	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	8.89 cm (3.5")	7.11 cm (2.8")
Display resolutionDiffers	320 x 480 pixels	320 x 240 pixels
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Adaptive jitter buffersKnown 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, OPUS	Unknown — not stated by the source
Network2 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	1000 Mbit/s
Wi-FiDiffers	No	Yes
BluetoothKnown for one	No	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3af, IEEE 802.1x, IEEE 802.1p	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	802.1x RADIUS, HTTPS, SRTP, TLS	Unknown — not stated by the source
Supported network protocolsKnown for one	IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, static IP/DHCP IP assignment, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN configuration, LDAP	Unknown — not stated by the source
VoIP protocolsKnown for one	SIP – RFC 3261, SDP – RFC 2327, SIP over TCP/UDP/TLS, DNS_SRV (redundancy), digest authentication, PRACK, early media, SIP subscribe notify, BLF (busy lamp field), presence, MWI (message waiting indication)	Unknown — not stated by the source
Ports & interfaces1 differ
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
RJ-9 ports quantityDiffers	1	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
Certificatesidentical
Compliance certificatesKnown for one	Federal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, 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	210.4 mm	224.9 mm
DepthDiffers	90.9 mm	206.2 mm
HeightDiffers	212.2 mm	174.9 mm
WeightKnown for one	984 g	Unknown — not stated by the source
Package widthKnown for one	244 mm	Unknown — not stated by the source
Package depthKnown for one	320 mm	Unknown — not stated by the source
Package heightKnown for one	90 mm	Unknown — not stated by the source
Package weightKnown for one	1.46 kg	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
HandsetKnown for one	Unknown — not stated by the source	Yes
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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