Product comparison · 2 ip phones

AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 vs Yealink T33P IP phone Grey 4 lines

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  • 37specifications compared
  • 16differ
  • 21identical
  • 57known for one product only

Key differences

The Yealink T33P IP phone Grey 4 lines has 3 more programmable keys than the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 (4 vs 1). The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 13.9 mm more width than the Yealink T33P IP phone Grey 4 lines (225.9 mm vs 212 mm). The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 24.3 mm more depth than the Yealink T33P IP phone Grey 4 lines (210.3 mm vs 186 mm). Only the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has touchscreen. Only the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has Wi-Fi.

  • Product colour
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Black
    • T33P IP phone Grey 4 lines:Grey
  • Operating system installed
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Android
    • T33P IP phone Grey 4 lines:Linux
  • Number of programmable keys
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:1
    • T33P IP phone Grey 4 lines:4
  • Display diagonal
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:12.7 cm (5")
    • T33P IP phone Grey 4 lines:6.1 cm (2.4")
  • Display resolution
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:1280 x 720 pixels
    • T33P IP phone Grey 4 lines:320 x 240 pixels
  • Touchscreen
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Yes
    • T33P IP phone Grey 4 lines:No
  • Ethernet LAN data rates
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:10,100,1000 Mbit/s
    • T33P IP phone Grey 4 lines:10,100 Mbit/s
  • Ethernet LAN interface type
    • Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Gigabit Ethernet
    • T33P IP phone Grey 4 lines:Fast Ethernet

Side by side

Differences highlightedShow differences only (off)
Comparison of C456HD, T33P
94 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourDiffersBlackGrey
MountingKnown for oneUnknown — not stated by the sourceDesk/Wall
Wall mountableYesYes
Performance1 differ
Operating system installedDiffersAndroidLinux
Operating system versionKnown for one13Unknown — not stated by the source
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneSIP infoUnknown — not stated by the source
Phone featuresidentical
Lines quantityKnown for oneUnknown — not stated by the source4 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 forwardingKnown for oneUnknown — not stated by the sourceYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call holdYesYes
Call parkKnown for oneUnknown — not stated by the sourceYes
Call pick upKnown for oneUnknown — not stated by the sourceYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Call transferYesYes
Call waitingKnown for oneUnknown — not stated by the sourceYes
Caller IDYesYes
Customizable wallpaperKnown for oneUnknown — not stated by the sourceYes
Direct callKnown for oneUnknown — not stated by the sourceYes
Do not disturb functionKnown for oneUnknown — not stated by the sourceYes
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
Management features1 differ
Integrated voicemailYesYes
Volume controlButtonsButtons
Number of function keysKnown for oneUnknown — not stated by the source5
Number of programmable keysDiffers14
Display3 differ
Display diagonalDiffers12.7 cm (5")6.1 cm (2.4")
Display resolutionDiffers1280 x 720 pixels320 x 240 pixels
TouchscreenDiffersYesNo
Backlight displayKnown for oneUnknown — not stated by the sourceYes
DisplayKnown for oneTFTUnknown — not stated by the source
Audio1 differ
SpeakerphoneYesYes
Noise reductionKnown for oneUnknown — not stated by the sourceYes
Voice codecsDiffersG.711, G.722, G.729, SilkAGC, 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
Comfort noise generation (CNG)Known 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
Network5 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
Wi-FiDiffersYesNo
BluetoothDiffersYesNo
DHCP clientKnown for oneUnknown — not stated by the sourceYes
Quality of Service (QoS) supportYesYes
Security algorithmsDiffersHTTPS, SRTP, TLSAES, HTTPS
Wi-Fi standardsKnown for one802.11a, 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
Networking standardsKnown for oneIEEE 802.3afUnknown — not stated by the source
Supported network protocolsKnown for oneUDP/TCP, NTP, DNS/SRVUnknown — not stated by the source
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for oneUnknown — not stated by the source1
Headset connectivityKnown for oneUSBUnknown — not stated by the source
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
WidthDiffers225.9 mm212 mm
DepthDiffers210.3 mm186 mm
HeightDiffers92.6 mm146 mm
WeightKnown for one1.11 kgUnknown — not stated by the source
Package widthKnown for one323 mmUnknown — not stated by the source
Package depthKnown for one238 mmUnknown — not stated by the source
Package heightKnown for one86 mmUnknown — not stated by the source
Package weightKnown for one1.5 kgUnknown — not stated by the source
Packaging contentidentical
Base stationKnown for oneUnknown — not stated by the sourceYes
Ethernet cableYesYes
HandsetYesYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Mounting kitKnown for oneYesUnknown — not stated by the source
Headset includedKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Certificatesidentical
Certified for Microsoft TeamsKnown for oneYesUnknown — not stated by the source
Compliance certificatesKnown for oneTAAUnknown — 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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