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Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi

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  • 37specifications compared
  • 13differ
  • 24identical
  • 33known for one product only

Key differences

The Yealink SIP-T44W 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-T44W 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-T44W IP phone Grey 8 lines LCD Wi-Fi (10,100 Mbit/s vs 1000 Mbit/s). Only the Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi has Bluetooth. Display diagonal: 5.84 cm (2.3") on the Yealink SIP- T31W, 7.11 cm (2.8") on the Yealink SIP-T44W 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
  • Bluetooth
    • No
    • Yes
  • Power consumption (Power over Ethernet (PoE))
    • 2.6 W
    • 5.2 W

Side by side

Differences highlightedShow differences only
70 specifications
A

Yealink

SIP- T31WView product
B

Yealink

SIP-T44W IP phone Grey 8 lines LCD Wi-Fi

Model SIP-T44W

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
Audio1 differ
SpeakerphoneYesYes
Microphone muteYesYes
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice codecsDiffersAEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBCG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, PCMA
Network3 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s1000 Mbit/s
Ethernet LAN interface typeDiffersFast EthernetGigabit Ethernet
Wi-FiYesYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
BluetoothDiffersNoYes
Security algorithmsKnown for oneAES, WPA2, WPA3
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity22
USB 2.0 ports quantityKnown for one2
Power1 differ
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
Power consumption (typical)Known for one1.7 W
Power consumption (Power over Ethernet (PoE))Differs2.6 W5.2 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
Package widthKnown for one239 mm
Package depthKnown for one223 mm
Package heightKnown for one115 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
Certificatesidentical
CertificationKnown for oneCE, FC

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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