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 (on)
Comparison of 425HD, T33P
90 specifications
Design1 differ
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
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 historyKnown for oneUnknown — not stated by the sourceYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Customizable wallpaperKnown for oneUnknown — not stated by the sourceYes
Direct callKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
Number of VoIP accountsKnown for oneUnknown — not stated by the source4
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
Short Message Service (SMS)Known for oneUnknown — not stated by the sourceYes
Conference callKnown for oneYesUnknown — not stated by the source
Management features1 differ
Integrated voicemailKnown for oneUnknown — not stated by the sourceYes
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
Backlight displayKnown for oneUnknown — not stated by the sourceYes
DisplayKnown for oneLCDUnknown — not stated by the source
Audio1 differ
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 LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
DHCP clientKnown for oneUnknown — not stated by the sourceYes
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
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
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
HandsetKnown for oneUnknown — not stated by the sourceYes
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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