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Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink T88W Pro

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  • 44specifications compared
  • 16differ
  • 28identical
  • 42known for one product only

Key differences

The Yealink T88W Pro has 14 more VoIP accounts than the Yealink SIP- T31W (16 vs 2). The Yealink SIP- T31W has 5 - 95% more operating relative humidity (H-H) than the Yealink T88W Pro (10 - 95% vs 5 - 95%). The Yealink T88W Pro has 75.7 mm more width than the Yealink SIP- T31W (263.7 mm vs 188 mm). Only the Yealink T88W Pro has Bluetooth. Handset type: Wired handset on the Yealink SIP- T31W, Wired & Wireless handset on the Yealink T88W Pro.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Product colour
    • Grey
    • Black
  • Number of VoIP accounts
    • 2
    • 16
  • Display diagonal
    • 5.84 cm (2.3")
    • 17.8 cm (7")
  • Display resolution
    • 132 x 64 pixels
    • 1024 x 600 pixels
  • Ethernet LAN data rates
    • 10,100 Mbit/s
    • 10,100,1000 Mbit/s
  • Ethernet LAN interface type
    • Fast Ethernet
    • Gigabit Ethernet
  • Bluetooth
    • No
    • Yes

Side by side

Differences highlightedShow differences only
86 specifications
A

Yealink

SIP- T31WView product
B

Yealink

T88W ProView product
Design2 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourDiffersGreyBlack
Backlight keypadKnown for oneYes
MountingKnown for oneDesk
Wall mountableKnown for oneYes
Performanceidentical
Operating system installedKnown for oneAndroid
Operating system versionKnown for one13
Phone features1 differ
Answering machineYesYes
Anonymous callYesYes
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnYesYes
Call waitingYesYes
Caller IDYesYes
Conference callKnown for oneYes
Customizable wallpaperKnown for oneYes
Emergency callYesYes
Full duplexYesYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Number of VoIP accountsDiffers216
Phonebook capacity1000 entries1000 entries
Phonebook sharingKnown for oneYes
RedialingYesYes
Speed diallingYesYes
Lines quantityKnown for one2 lines
Anonymous call rejectionKnown for oneYes
Call transferKnown for oneYes
Do not disturb functionKnown for oneYes
Short Message Service (SMS)Known for oneYes
Management featuresidentical
Integrated voicemailYesYes
Volume controlKnown for oneButtons
Management platformKnown for oneYealink Device Management Platform
Voicemail indicationKnown for oneYes
Keypad number of keysKnown for one11
Display2 differ
DisplayLCDLCD
Display diagonalDiffers5.84 cm (2.3")17.8 cm (7")
Display resolutionDiffers132 x 64 pixels1024 x 600 pixels
TouchscreenKnown for oneYes
Backlight displayYesYes
Display number of linesKnown for one2 lines
Audio1 differ
SpeakerphoneYesYes
Microphone muteYesYes
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
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Network5 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeDiffersFast EthernetGigabit Ethernet
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 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), Wi-Fi 6 (802.11ax)
BluetoothDiffersNoYes
Bluetooth versionKnown for one5.0
Quality of Service (QoS) supportKnown for oneYes
Security algorithmsDiffersAES, WPA2, WPA3WPA2, WPA3
SyslogKnown for oneYes
Ports & interfacesidentical
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
USB Type-C ports quantityKnown for one1
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity22
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one1.25 A
Power consumption (typical)Known for one1.7 W
Power consumption (Power over Ethernet (PoE))Known for one2.6 W
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%5 - 95%
Operating temperature (T-T)Differs-10 - 45 °C10 - 45 °C
Storage temperature (T-T)-30 - 70 °C-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers188 mm263.7 mm
DepthDiffers189 mm188.8 mm
HeightDiffers162 mm239.9 mm
Package widthKnown for one290 mm
Package depthKnown for one288 mm
Package heightKnown for one104 mm
Packaging contentidentical
Mounting kitKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown 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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