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Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

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  • 32specifications compared
  • 10differ
  • 22identical
  • 34known for one product only

Key differences

The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 6 lines more lines quantity than the Yealink SIP- T31W (8 lines vs 2 lines). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 10 more VoIP accounts than the Yealink SIP- T31W (12 vs 2). The Yealink SIP- T31W has 9,100 Mbit/s more Ethernet LAN data rates than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (10,100 Mbit/s vs 1000 Mbit/s). Display diagonal: 5.84 cm (2.3") on the Yealink SIP- T31W, 7.11 cm (2.8") on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi. Display resolution: 132 x 64 pixels on the Yealink SIP- T31W, 320 x 240 pixels on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi.

  • Lines quantity
    • 2 lines
    • 8 lines
  • Number of VoIP accounts
    • 2
    • 12
  • Display diagonal
    • 5.84 cm (2.3")
    • 7.11 cm (2.8")
  • Display resolution
    • 132 x 64 pixels
    • 320 x 240 pixels
  • Ethernet LAN data rates
    • 10,100 Mbit/s
    • 1000 Mbit/s
  • Ethernet LAN interface type
    • Fast Ethernet
    • Gigabit Ethernet
  • Operating relative humidity (H-H)
    • 10 - 95%
    • 5 - 90%
  • Width
    • 188 mm
    • 224.9 mm

Side by side

Differences highlightedShow differences only
66 specifications
A

Yealink

SIP- T31WView product
B

Yealink

SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

Model SIP-T44U

View product
Designidentical
Product typeIP PhoneIP Phone
Handset typeKnown for oneWired handset
Product colourGreyGrey
Wall mountableYesYes
Phone features2 differ
Lines quantityDiffers2 lines8 lines
Answering machineKnown for oneYes
Anonymous callYesYes
Anonymous call rejectionKnown for oneYes
Call forwardingYesYes
Call holdYesYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call returnKnown for oneYes
Call transferKnown for oneYes
Call waitingYesYes
Caller IDYesYes
Do not disturb functionKnown for oneYes
Emergency callKnown for oneYes
Full duplexYesYes
Number of VoIP accountsDiffers212
Phonebook capacity1000 entries1000 entries
RedialingKnown for oneYes
Short Message Service (SMS)Known for oneYes
Speed diallingKnown for oneYes
Conference callKnown for oneYes
Direct callKnown for oneYes
SIP registrar serverKnown for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Voicemail indicationKnown for oneYes
Keypad number of keysKnown for one11
Display2 differ
DisplayLCDLCD
Display diagonalDiffers5.84 cm (2.3")7.11 cm (2.8")
Display resolutionDiffers132 x 64 pixels320 x 240 pixels
Display number of linesKnown for one2 lines
Backlight displayYesYes
TouchscreenKnown for oneNo
Audioidentical
SpeakerphoneYesYes
Microphone muteYesYes
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice codecsKnown for oneAEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC
Network2 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s1000 Mbit/s
Ethernet LAN interface typeDiffersFast EthernetGigabit Ethernet
Wi-FiYesYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
BluetoothKnown for oneNo
Security algorithmsKnown for oneAES, WPA2, WPA3
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity22
USB 2.0 ports quantityKnown for one2
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for one100 - 240 V
Power consumption (typical)Known for one1.7 W
Power consumption (Power over Ethernet (PoE))Known for one2.6 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 95%5 - 90%
Operating temperature (T-T)-10 - 45 °C-10 - 45 °C
Storage temperature (T-T)-30 - 70 °C-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers188 mm224.9 mm
DepthDiffers189 mm206.2 mm
HeightDiffers162 mm174.9 mm
Packaging contentidentical
Number of handles included1 pc(s)1 pc(s)
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Quick start guideKnown for oneYes
Stand includedKnown for oneYes

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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