Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs Yealink SIP- T31W

38specifications compared
15differ
23identical
44known for one product only

Key differences

The AudioCodes 425HD TAA IP-Phone PoE GbE black has 2 lines more lines quantity than the Yealink SIP- T31W (4 lines vs 2 lines). The Yealink SIP- T31W has 1 more RJ-9 ports quantity than the AudioCodes 425HD TAA IP-Phone PoE GbE black (2 vs 1). The AudioCodes 425HD TAA IP-Phone PoE GbE black has 22.4 mm more width than the Yealink SIP- T31W (210.4 mm vs 188 mm). Only the Yealink SIP- T31W has Wi-Fi. Product colour: Black on the AudioCodes 425HD TAA IP-Phone PoE GbE black, Grey on the Yealink SIP- T31W.

Product colour
- 425HD TAA IP-Phone PoE GbE black:Black
- SIP- T31W:Grey
Lines quantity
- 425HD TAA IP-Phone PoE GbE black:4 lines
- SIP- T31W:2 lines
Display diagonal
- 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
- SIP- T31W:5.84 cm (2.3")
Display resolution
- 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
- SIP- T31W:132 x 64 pixels
Ethernet LAN data rates
- 425HD TAA IP-Phone PoE GbE black:10,100,1000 Mbit/s
- SIP- T31W:10,100 Mbit/s
Ethernet LAN interface type
- 425HD TAA IP-Phone PoE GbE black:Gigabit Ethernet
- SIP- T31W:Fast Ethernet
Wi-Fi
- 425HD TAA IP-Phone PoE GbE black:No
- SIP- T31W:Yes
RJ-9 ports quantity
- 425HD TAA IP-Phone PoE GbE black:1
- SIP- T31W:2

Side by side

Differences highlightedShow differences only

Comparison of 425HD, SIP- T31W
82 specifications	A AudioCodes 425HD TAA IP-Phone PoE GbE black Model 425HD View product	B Yealink SIP- T31W View product
Design1 differ
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	2 lines
Conference callKnown for one	Yes	Unknown — not stated by the source
Message-waiting indicator (MWI)Known for one	Yes	Unknown — not stated by the source
Anonymous callKnown for one	Unknown — not stated by the source	Yes
Anonymous call rejectionKnown for one	Unknown — not stated by the source	Yes
Call returnKnown for one	Unknown — not stated by the source	Yes
Emergency callKnown for one	Unknown — not stated by the source	Yes
Number of VoIP accountsKnown for one	Unknown — not stated by the source	2
Phonebook capacityKnown for one	Unknown — not stated by the source	1000 entries
Short Message Service (SMS)Known 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
Integrated voicemailKnown for one	Unknown — not stated by the source	Yes
Voicemail indicationKnown for one	Unknown — not stated by the source	Yes
Keypad number of keysKnown for one	Unknown — not stated by the source	11
Display2 differ
Display diagonalDiffers	8.89 cm (3.5")	5.84 cm (2.3")
Display resolutionDiffers	320 x 480 pixels	132 x 64 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
Display number of linesKnown for one	Unknown — not stated by the source	2 lines
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Adaptive jitter buffersKnown for one	Yes	Unknown — not stated by the source
Echo cancellationKnown for one	Yes	Unknown — not stated by the source
Voice activity detectionKnown for one	Yes	Unknown — not stated by the source
Voice codecsDiffers	G.711, G.722, G.729, OPUS	AEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC
Comfort noise generation (CNG)Known for one	Unknown — not stated by the source	Yes
Network4 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Ethernet LAN interface typeDiffers	Gigabit Ethernet	Fast Ethernet
Wi-FiDiffers	No	Yes
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 algorithmsDiffers	802.1x RADIUS, HTTPS, SRTP, TLS	AES, WPA2, WPA3
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
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
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
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
Poweridentical
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power consumption (typical)Known for one	Unknown — not stated by the source	1.7 W
Power consumption (Power over Ethernet (PoE))Known for one	Unknown — not stated by the source	2.6 W
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	10 - 95%
Weight & dimensions3 differ
WidthDiffers	210.4 mm	188 mm
DepthDiffers	90.9 mm	189 mm
HeightDiffers	212.2 mm	162 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
Ethernet cableKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source

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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