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Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink W78P IP phone Black TFT

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  • 35specifications compared
  • 11differ
  • 24identical
  • 61known for one product only

Key differences

The Yealink W78P IP phone Black TFT has 14 more keypad keys than the Yealink SIP- T31W (25 vs 11). The Yealink SIP- T31W has 1 more Ethernet LAN (RJ-45) ports than the Yealink W78P IP phone Black TFT (2 vs 1). Only the Yealink W78P IP phone Black TFT has Bluetooth. Only the Yealink SIP- T31W has power over Ethernet (PoE). Product type: IP Phone on the Yealink SIP- T31W, IP mobile phone on the Yealink W78P IP phone Black TFT.

  • Product type
    • IP Phone
    • IP mobile phone
  • Handset type
    • Wired handset
    • Wireless handset
  • Product colour
    • Grey
    • Black
  • Keypad number of keys
    • 11
    • 25
  • Display
    • LCD
    • TFT
  • Display diagonal
    • 5.84 cm (2.3")
    • 6.1 cm (2.4")
  • Display resolution
    • 132 x 64 pixels
    • 240 x 320 pixels
  • Bluetooth
    • No
    • Yes

Side by side

Differences highlightedShow differences only
96 specifications
A

Yealink

SIP- T31WView product
B

Yealink

W78P IP phone Black TFT

Model W78P

View product
Design3 differ
Product typeDiffersIP PhoneIP mobile phone
Handset typeDiffersWired handsetWireless handset
Product colourDiffersGreyBlack
Backlight keypadKnown for oneYes
Device lockKnown for oneYes
MountingKnown for oneDesk/Wall
Wall mountableYesYes
Performanceidentical
DECT connectableKnown for oneYes
Maximum indoor rangeKnown for one50 m
Maximum outdoor rangeKnown for one300 m
Hearing aid compatibilityKnown for oneYes
Phone featuresidentical
Answering machineYesYes
Simultaneous ringKnown for oneYes
Anonymous callYesYes
Anonymous call rejectionYesYes
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Conference callKnown for oneYes
Direct callKnown for oneYes
Emergency callYesYes
Full duplexYesYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Phonebook capacity1000 entries1000 entries
RedialingYesYes
Speed diallingYesYes
Vibrating alertKnown for oneYes
Lines quantityKnown for one2 lines
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call returnKnown for oneYes
Do not disturb functionKnown for oneYes
Number of VoIP accountsKnown for one2
Short Message Service (SMS)Known for oneYes
Management features1 differ
Integrated voicemailYesYes
Keypad number of keysDiffers1125
Number of function keysKnown for one6
Firmware upgradeableKnown for oneYes
Voicemail indicationKnown for oneYes
Display3 differ
DisplayDiffersLCDTFT
Display diagonalDiffers5.84 cm (2.3")6.1 cm (2.4")
Display resolutionDiffers132 x 64 pixels240 x 320 pixels
Number of simultaneous touchpointsKnown for one20
Display number of linesKnown for one2 lines
Backlight displayKnown for oneYes
Audioidentical
SpeakerphoneYesYes
Automatic gain controlKnown for oneYes
Comfort noise generation (CNG)YesYes
Noise reductionKnown for oneYes
Number of melodiesKnown for one9
Microphone muteKnown 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
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN interface typeFast EthernetFast Ethernet
BluetoothDiffersNoYes
Bluetooth versionKnown for one5.1
DHCP clientKnown for oneYes
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithmsKnown for oneAES, WPA2, WPA3
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers21
RJ-9 ports quantityKnown for one2
Certificatesidentical
CertificationKnown for oneCE, FCC, RoHS, REACH, ISO 9001
Compliance certificatesKnown for oneRoHS, Federal Communications Commission (FCC), CE, REACH
Power1 differ
Power over Ethernet (PoE)DiffersYesNo
AC adapter input voltage100 - 240 V100 - 240 V
Standby timeKnown for one166 h
Talk timeKnown for one21 h
Power consumption (typical)Known for one1.7 W
Power consumption (Power over Ethernet (PoE))Known for one2.6 W
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one1460 mAh
Battery voltageKnown for one3.7 V
Operational conditions1 differ
Operating relative humidity (H-H)10 - 95%10 - 95%
Operating temperature (T-T)Differs-10 - 45 °C-10 - 50 °C
Storage temperature (T-T)-30 - 70 °C-30 - 70 °C
Weight & dimensionsidentical
WeightKnown for one6.84 kg
Handset dimensions (WxDxH)Known for one157 x 51 x 24 mm
Base dimensions (WxDxH)Known for one130 x 100 x 25.1 mm
Package weightKnown for one7.55 kg
WidthKnown for one188 mm
DepthKnown for one189 mm
HeightKnown for one162 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Base stationKnown for oneYes
ChargerKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
ManualKnown for oneYes
Number of handles included1 pc(s)1 pc(s)

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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