Product comparison · 2 ip phones

HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled vs Yealink SIP- T31W

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  • 8specifications compared
  • 3differ
  • 5identical
  • 54known for one product only

Key differences

Only the Yealink SIP- T31W has Ethernet LAN. Only the Yealink SIP- T31W has Wi-Fi. Product colour: Black on the HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled, Grey on the Yealink SIP- T31W.

  • Product colour
    • OBi VVX 150 2-Line IP Phone and PoE-enabled:Black
    • SIP- T31W:Grey
  • Ethernet LAN
    • OBi VVX 150 2-Line IP Phone and PoE-enabled:No
    • SIP- T31W:Yes
  • Wi-Fi
    • OBi VVX 150 2-Line IP Phone and PoE-enabled:No
    • SIP- T31W:Yes

Side by side

Differences highlightedShow differences only (on)
Comparison of 911N3AA, SIP- T31W
62 specifications
Design1 differ
Product colourDiffersBlackGrey
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Phone featuresidentical
Lines quantityKnown for oneUnknown — not stated by the source2 lines
Answering machineKnown for oneUnknown — not stated by the sourceYes
Anonymous callKnown for oneUnknown — not stated by the sourceYes
Anonymous call rejectionKnown for oneUnknown — not stated by the sourceYes
Call forwardingKnown for oneUnknown — not stated by the sourceYes
Call holdKnown for oneUnknown — not stated by the sourceYes
Call parkKnown for oneUnknown — not stated by the sourceYes
Call pick upKnown for oneUnknown — not stated by the sourceYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Call transferKnown for oneUnknown — not stated by the sourceYes
Call waitingKnown for oneUnknown — not stated by the sourceYes
Caller IDKnown for oneUnknown — not stated by the sourceYes
Do not disturb functionKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
Full duplexKnown for oneUnknown — not stated by the sourceYes
Number of VoIP accountsKnown for oneUnknown — not stated by the source2
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
RedialingKnown for oneUnknown — not stated by the sourceYes
Short Message Service (SMS)Known for oneUnknown — not stated by the sourceYes
Speed diallingKnown for oneUnknown — not stated by the sourceYes
Management featuresidentical
Integrated voicemailKnown for oneUnknown — not stated by the sourceYes
Voicemail indicationKnown for oneUnknown — not stated by the sourceYes
Keypad number of keysKnown for oneUnknown — not stated by the source11
Displayidentical
DisplayKnown for oneUnknown — not stated by the sourceLCD
Display diagonalKnown for oneUnknown — not stated by the source5.84 cm (2.3")
Display resolutionKnown for oneUnknown — not stated by the source132 x 64 pixels
Display number of linesKnown for oneUnknown — not stated by the source2 lines
Backlight displayKnown for oneUnknown — not stated by the sourceYes
TouchscreenKnown for oneNoUnknown — not stated by the source
Audioidentical
SpeakerphoneKnown for oneUnknown — not stated by the sourceYes
Microphone muteKnown for oneUnknown — not stated by the sourceYes
Comfort noise generation (CNG)Known for oneUnknown — not stated by the sourceYes
Packet loss concealment (PLC)Known for oneUnknown — not stated by the sourceYes
Voice codecsKnown for oneUnknown — not stated by the sourceAEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC
Network2 differ
Ethernet LANDiffersNoYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100 Mbit/s
Ethernet LAN interface typeKnown for oneUnknown — not stated by the sourceFast Ethernet
Wi-FiDiffersNoYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Security algorithmsKnown for oneUnknown — not stated by the sourceAES, WPA2, WPA3
Ports & interfacesidentical
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source2
RJ-9 ports quantityKnown for oneUnknown — not stated by the source2
Poweridentical
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Power consumption (typical)Known for oneUnknown — not stated by the source1.7 W
Power consumption (Power over Ethernet (PoE))Known for oneUnknown — not stated by the source2.6 W
Operational conditionsidentical
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 95%
Operating temperature (T-T)Known for oneUnknown — not stated by the source-10 - 45 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-30 - 70 °C
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source188 mm
DepthKnown for oneUnknown — not stated by the source189 mm
HeightKnown for oneUnknown — not stated by the source162 mm
Package widthKnown for one255 mmUnknown — not stated by the source
Package depthKnown for one495 mmUnknown — not stated by the source
Package heightKnown for one293 mmUnknown — not stated by the source
Package weightKnown for one11.5 kgUnknown — not stated by the source

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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