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Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink-SIP-T73U

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  • 35specifications compared
  • 15differ
  • 20identical
  • 44known for one product only

Key differences

The Yealink-SIP-T73U has 10 more VoIP accounts than the Yealink SIP- T31W (12 vs 2). The Yealink SIP- T31W has 5 - 95% more operating relative humidity (H-H) than the Yealink-SIP-T73U (10 - 95% vs 5 - 95%). The Yealink-SIP-T73U has 21 mm more width than the Yealink SIP- T31W (209 mm vs 188 mm). Handset type: Wired handset on the Yealink SIP- T31W, Wired & Wireless handset on the Yealink-SIP-T73U. Product colour: Grey on the Yealink SIP- T31W, Black on the Yealink-SIP-T73U.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Product colour
    • Grey
    • Black
  • 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
    • 10,100,1000 Mbit/s
  • Ethernet LAN interface type
    • Fast Ethernet
    • Gigabit Ethernet
  • Security algorithms
    • AES, WPA2, WPA3
    • WPA2, WPA3

Side by side

Differences highlightedShow differences only
79 specifications
A

Yealink

SIP- T31WView product
B

Yealink

Yealink-SIP-T73U

Model T73U

View product
Design2 differ
Handset typeDiffersWired handsetWired & Wireless handset
Product colourDiffersGreyBlack
Wall mountableKnown for oneYes
Backlight keypadKnown for oneYes
MountingKnown for oneDesk
Phone features1 differ
Lines quantityKnown for one2 lines
Anonymous callKnown for oneYes
Anonymous call rejectionKnown for oneYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call transferKnown for oneYes
Do not disturb functionKnown for oneYes
Full duplexKnown for oneYes
Number of VoIP accountsDiffers212
Short Message Service (SMS)Known for oneYes
Call historyKnown for oneYes
Conference callKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Phonebook sharingKnown for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Voicemail indicationKnown for oneYes
Keypad number of keysKnown for one11
Management platformKnown for oneYealink Device Management Platform
Display2 differ
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 displayKnown for oneYes
Audio1 differ
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
Network3 differ
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeDiffersFast EthernetGigabit Ethernet
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
BluetoothKnown for oneNo
Security algorithmsDiffersAES, WPA2, WPA3WPA2, WPA3
Quality of Service (QoS) supportKnown for oneYes
SyslogKnown for oneYes
Ports & interfacesidentical
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
DC-in jackKnown for oneYes
Poweridentical
Power consumption (typical)Known for one1.7 W
Power consumption (Power over Ethernet (PoE))Known for one2.6 W
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one2 A
Operational conditions3 differ
Operating relative humidity (H-H)Differs10 - 95%5 - 95%
Operating temperature (T-T)Differs-10 - 45 °C10 - 45 °C
Storage temperature (T-T)Differs-30 - 70 °C-10 - 70 °C
Weight & dimensions3 differ
WidthDiffers188 mm209 mm
DepthDiffers189 mm167.5 mm
HeightDiffers162 mm214.8 mm
Package widthKnown for one231 mm
Package depthKnown for one237 mm
Package heightKnown for one102 mm
Packaging contentidentical
Mounting kitKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
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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