Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs Yealink T33P IP phone Grey 4 lines

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  • 40specifications compared
  • 12differ
  • 28identical
  • 50known for one product only

Key differences

The AudioCodes 425HD TAA IP-Phone PoE GbE black has 4 more programmable keys than the Yealink T33P IP phone Grey 4 lines (8 vs 4). The Yealink T33P IP phone Grey 4 lines has 1.6 mm more width than the AudioCodes 425HD TAA IP-Phone PoE GbE black (212 mm vs 210.4 mm). The Yealink T33P IP phone Grey 4 lines has 95.1 mm more depth than the AudioCodes 425HD TAA IP-Phone PoE GbE black (186 mm vs 90.9 mm). Product colour: Black on the AudioCodes 425HD TAA IP-Phone PoE GbE black, Grey on the Yealink T33P IP phone Grey 4 lines. Display diagonal: 8.89 cm (3.5") on the AudioCodes 425HD TAA IP-Phone PoE GbE black, 6.1 cm (2.4") on the Yealink T33P IP phone Grey 4 lines.

  • Product colour
    • 425HD TAA IP-Phone PoE GbE black:Black
    • T33P IP phone Grey 4 lines:Grey
  • Number of programmable keys
    • 425HD TAA IP-Phone PoE GbE black:8
    • T33P IP phone Grey 4 lines:4
  • Display diagonal
    • 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
    • T33P IP phone Grey 4 lines:6.1 cm (2.4")
  • Display resolution
    • 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
    • T33P IP phone Grey 4 lines:320 x 240 pixels
  • Ethernet LAN data rates
    • 425HD TAA IP-Phone PoE GbE black:10,100,1000 Mbit/s
    • T33P IP phone Grey 4 lines:10,100 Mbit/s
  • Ethernet LAN interface type
    • 425HD TAA IP-Phone PoE GbE black:Gigabit Ethernet
    • T33P IP phone Grey 4 lines:Fast Ethernet
  • Operating temperature (T-T)
    • 425HD TAA IP-Phone PoE GbE black:0 - 40 °C
    • T33P IP phone Grey 4 lines:-10 - 50 °C
  • Width
    • 425HD TAA IP-Phone PoE GbE black:210.4 mm
    • T33P IP phone Grey 4 lines:212 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 425HD, T33P
90 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourDiffersBlackGrey
MountingKnown for oneUnknown — not stated by the sourceDesk/Wall
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Performanceidentical
Operating system installedKnown for oneUnknown — not stated by the sourceLinux
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneSIP infoUnknown — not stated by the source
Phone featuresidentical
Lines quantity4 lines4 lines
Answering machineYesYes
Hot deskingKnown for oneUnknown — not stated by the sourceYes
Anonymous callKnown for oneUnknown — not stated by the sourceYes
Anonymous call rejectionKnown for oneUnknown — not stated by the sourceYes
Call forwardingYesYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Customizable wallpaperKnown for oneUnknown — not stated by the sourceYes
Direct callKnown for oneUnknown — not stated by the sourceYes
Do not disturb functionYesYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
Number of VoIP accountsKnown for oneUnknown — not stated by the source4
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
RedialingYesYes
Short Message Service (SMS)Known for oneUnknown — not stated by the sourceYes
Speed diallingYesYes
Conference callKnown for oneYesUnknown — not stated by the source
Management features1 differ
Integrated voicemailKnown for oneUnknown — not stated by the sourceYes
Volume controlButtonsButtons
Number of function keysKnown for oneUnknown — not stated by the source5
Number of programmable keysDiffers84
Display2 differ
Display diagonalDiffers8.89 cm (3.5")6.1 cm (2.4")
Display resolutionDiffers320 x 480 pixels320 x 240 pixels
TouchscreenNoNo
Backlight displayKnown for oneUnknown — not stated by the sourceYes
DisplayKnown for oneLCDUnknown — not stated by the source
Audio1 differ
SpeakerphoneYesYes
Noise reductionKnown for oneUnknown — not stated by the sourceYes
Voice codecsDiffersG.711, G.722, G.729, OPUSAGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBC
Microphone muteKnown for oneYesUnknown — not stated by the source
Adaptive jitter buffersKnown for oneYesUnknown — not stated by the source
Echo cancellationKnown for oneYesUnknown — not stated by the source
Packet loss concealment (PLC)Known for oneYesUnknown — not stated by the source
Voice activity detectionKnown for oneYesUnknown — not stated by the source
Network3 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
Wi-FiNoNo
BluetoothNoNo
DHCP clientKnown for oneUnknown — not stated by the sourceYes
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, SRTP, TLSAES, HTTPS
Networking standardsKnown for oneIEEE 802.3af, IEEE 802.1x, IEEE 802.1pUnknown — not stated by the source
Supported network protocolsKnown for oneIPv4, 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, LDAPUnknown — not stated by the source
VoIP protocolsKnown for oneSIP – 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 & interfacesidentical
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity11
Cable lock slotKnown for oneYesUnknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
WAN connection typeKnown for oneRJ-45Unknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Input frequencyKnown for oneUnknown — not stated by the source50/60 Hz
Power consumption (typical)Known for oneUnknown — not stated by the source3 W
Power consumption (Power over Ethernet (PoE))Known for oneUnknown — not stated by the source5 W
Operational conditions1 differ
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage temperature (T-T)Known for one-20 - 70 °CUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers210.4 mm212 mm
DepthDiffers90.9 mm186 mm
HeightDiffers212.2 mm146 mm
WeightKnown for one984 gUnknown — not stated by the source
Package widthKnown for one244 mmUnknown — not stated by the source
Package depthKnown for one320 mmUnknown — not stated by the source
Package heightKnown for one90 mmUnknown — not stated by the source
Package weightKnown for one1.46 kgUnknown — not stated by the source
Packaging contentidentical
Base stationKnown for oneUnknown — not stated by the sourceYes
Ethernet cableYesYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Cables includedKnown for oneLAN (RJ-45)Unknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for oneFederal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, TAAUnknown — 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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