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Product comparison · 2 ip phones

VTech ET685 IP phone Black 10 lines LCD vs Yealink SIP- T31W

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  • 27specifications compared
  • 12differ
  • 15identical
  • 37known for one product only

Key differences

The VTech ET685 IP phone Black 10 lines LCD has 8 lines more lines quantity than the Yealink SIP- T31W (10 lines vs 2 lines). The Yealink SIP- T31W has 1 more RJ-9 ports quantity than the VTech ET685 IP phone Black 10 lines LCD (2 vs 1). The VTech ET685 IP phone Black 10 lines LCD has 2 mm more width than the Yealink SIP- T31W (190 mm vs 188 mm). Only the Yealink SIP- T31W has Wi-Fi. Only the VTech ET685 IP phone Black 10 lines LCD has Bluetooth.

  • Product colour
    • Black
    • Grey
  • Lines quantity
    • 10 lines
    • 2 lines
  • Display diagonal
    • 10.9 cm (4.3")
    • 5.84 cm (2.3")
  • Display resolution
    • 480 x 272 pixels
    • 132 x 64 pixels
  • Ethernet LAN interface type
    • Gigabit Ethernet
    • Fast Ethernet
  • Wi-Fi
    • No
    • Yes
  • Bluetooth
    • Yes
    • No
  • RJ-9 ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
64 specifications
A

VTech

ET685 IP phone Black 10 lines LCD

Model ET685

View product
B

Yealink

SIP- T31WView product
Design1 differ
Product colourDiffersBlackGrey
Wall mountableKnown for oneYes
Backlight keypadKnown for oneYes
Phone features1 differ
Lines quantityDiffers10 lines2 lines
Answering machineKnown for oneYes
Anonymous callKnown for oneYes
Anonymous call rejectionKnown for oneYes
Call pick upKnown for oneYes
Call returnKnown for oneYes
Call waitingKnown for oneYes
Do not disturb functionKnown for oneYes
Emergency callKnown for oneYes
Full duplexKnown for oneYes
Number of VoIP accountsKnown for one2
Short Message Service (SMS)Known for oneYes
Speed diallingKnown for oneYes
Call historyKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Voicemail indicationKnown for oneYes
Keypad number of keysKnown for one11
Number of programmable keysKnown for one6
Display2 differ
Display diagonalDiffers10.9 cm (4.3")5.84 cm (2.3")
Display resolutionDiffers480 x 272 pixels132 x 64 pixels
Display number of linesKnown for one2 lines
Backlight displayKnown for oneYes
TouchscreenKnown for oneNo
Audio1 differ
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice codecsDiffersAEC, AJB, CNG, G.711, G.722, G.726, G.729A, G.729B, PLC, VADAEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC
Network3 differ
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
Wi-FiDiffersNoYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
BluetoothDiffersYesNo
Security algorithmsKnown for oneAES, WPA2, WPA3
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsKnown for one2
RJ-9 ports quantityDiffers12
Poweridentical
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 conditionsidentical
Operating relative humidity (H-H)Known for one10 - 95%
Operating temperature (T-T)Known for one-10 - 45 °C
Storage temperature (T-T)Known for one-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers190 mm188 mm
DepthDiffers205 mm189 mm
HeightDiffers220 mm162 mm
WeightKnown for one907.2 g

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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