Product comparison · 2 ip phones

Yealink SIP- T31W vs Yealink-SIP-T73W

Add a product
  • 38specifications compared
  • 17differ
  • 21identical
  • 42known for one product only

Key differences

The Yealink-SIP-T73W 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-T73W (10 - 95% vs 5 - 95%). The Yealink-SIP-T73W has 21 mm more width than the Yealink SIP- T31W (209 mm vs 188 mm). Only the Yealink-SIP-T73W has Bluetooth. Handset type: Wired handset on the Yealink SIP- T31W, Wired & Wireless handset on the Yealink-SIP-T73W.

  • Handset type
    • SIP- T31W:Wired handset
    • Yealink-SIP-T73W:Wired & Wireless handset
  • Product colour
    • SIP- T31W:Grey
    • Yealink-SIP-T73W:Black
  • Number of VoIP accounts
    • SIP- T31W:2
    • Yealink-SIP-T73W:12
  • Display diagonal
    • SIP- T31W:5.84 cm (2.3")
    • Yealink-SIP-T73W:7.11 cm (2.8")
  • Display resolution
    • SIP- T31W:132 x 64 pixels
    • Yealink-SIP-T73W:320 x 240 pixels
  • Ethernet LAN data rates
    • SIP- T31W:10,100 Mbit/s
    • Yealink-SIP-T73W:10,100,1000 Mbit/s
  • Ethernet LAN interface type
    • SIP- T31W:Fast Ethernet
    • Yealink-SIP-T73W:Gigabit Ethernet
  • Bluetooth
    • SIP- T31W:No
    • Yealink-SIP-T73W:Yes

Side by side

Differences highlightedShow differences only (off)
Comparison of SIP- T31W, T73W
80 specifications
Design2 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourDiffersGreyBlack
Backlight keypadKnown for oneUnknown — not stated by the sourceYes
MountingKnown for oneUnknown — not stated by the sourceDesk
Wall mountableKnown for oneYesUnknown — not stated by the source
Phone features1 differ
Answering machineYesYes
Call forwardingYesYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call holdYesYes
Call returnYesYes
Call waitingYesYes
Caller IDYesYes
Conference callKnown for oneUnknown — not stated by the sourceYes
Emergency callYesYes
IntercomKnown for oneUnknown — not stated by the sourceYes
Message-waiting indicator (MWI)Known for oneUnknown — not stated by the sourceYes
Number of VoIP accountsDiffers212
Phonebook capacity1000 entries1000 entries
Phonebook sharingKnown for oneUnknown — not stated by the sourceYes
RedialingYesYes
Speed diallingYesYes
Lines quantityKnown for one2 linesUnknown — not stated by the source
Anonymous callKnown for oneYesUnknown — not stated by the source
Anonymous call rejectionKnown for oneYesUnknown — not stated by the source
Call parkKnown for oneYesUnknown — not stated by the source
Call pick upKnown for oneYesUnknown — not stated by the source
Call transferKnown for oneYesUnknown — not stated by the source
Do not disturb functionKnown for oneYesUnknown — not stated by the source
Full duplexKnown for oneYesUnknown — not stated by the source
Short Message Service (SMS)Known for oneYesUnknown — not stated by the source
Management featuresidentical
Management platformKnown for oneUnknown — not stated by the sourceYealink Device Management Platform
Integrated voicemailKnown for oneYesUnknown — not stated by the source
Voicemail indicationKnown for oneYesUnknown — not stated by the source
Keypad number of keysKnown for one11Unknown — not stated by the source
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 linesUnknown — not stated by the source
Backlight displayKnown for oneYesUnknown — not stated by the source
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 oneYesUnknown — not stated by the source
Packet loss concealment (PLC)Known for oneYesUnknown — not stated by the source
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 oneUnknown — not stated by the source5.0
Quality of Service (QoS) supportKnown for oneUnknown — not stated by the sourceYes
Security algorithmsDiffersAES, WPA2, WPA3WPA2, WPA3
SyslogKnown for oneUnknown — not stated by the sourceYes
Ports & interfacesidentical
Headset connectivityKnown for oneUnknown — not stated by the sourceRJ-9
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
DC-in jackKnown for oneUnknown — not stated by the sourceYes
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 oneUnknown — not stated by the source5 V
AC adapter output currentKnown for oneUnknown — not stated by the source2 A
Power consumption (typical)Known for one1.7 WUnknown — not stated by the source
Power consumption (Power over Ethernet (PoE))Known for one2.6 WUnknown — not stated by the source
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 oneUnknown — not stated by the source231 mm
Package depthKnown for oneUnknown — not stated by the source237 mm
Package heightKnown for oneUnknown — not stated by the source102 mm
Packaging contentidentical
Mounting kitKnown for oneUnknown — not stated by the sourceYes
Ethernet cableKnown for oneUnknown — not stated by the sourceYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneUnknown — not stated by the sourceYes

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.

More ip phone comparisons

All ip phone comparisons