Product comparison · 2 ip phones

HP Poly VVX 450 12-Line IP Phone and PoE-enabled vs Yealink SIP- T31W

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  • 27specifications compared
  • 11differ
  • 16identical
  • 50known for one product only

Key differences

The HP Poly VVX 450 12-Line IP Phone and PoE-enabled has 10 lines more lines quantity than the Yealink SIP- T31W (12 lines vs 2 lines). The HP Poly VVX 450 12-Line IP Phone and PoE-enabled has 32 more VoIP accounts than the Yealink SIP- T31W (34 vs 2). The Yealink SIP- T31W has 1 more RJ-9 ports quantity than the HP Poly VVX 450 12-Line IP Phone and PoE-enabled (2 vs 1). Product colour: Black on the HP Poly VVX 450 12-Line IP Phone and PoE-enabled, Grey on the Yealink SIP- T31W. Display diagonal: 10.9 cm (4.3") on the HP Poly VVX 450 12-Line IP Phone and PoE-enabled, 5.84 cm (2.3") on the Yealink SIP- T31W.

  • Product colour
    • VVX 450 12-Line IP Phone and PoE-enabled:Black
    • SIP- T31W:Grey
  • Lines quantity
    • VVX 450 12-Line IP Phone and PoE-enabled:12 lines
    • SIP- T31W:2 lines
  • Number of VoIP accounts
    • VVX 450 12-Line IP Phone and PoE-enabled:34
    • SIP- T31W:2
  • Display diagonal
    • VVX 450 12-Line IP Phone and PoE-enabled:10.9 cm (4.3")
    • SIP- T31W:5.84 cm (2.3")
  • Display resolution
    • VVX 450 12-Line IP Phone and PoE-enabled:480 x 272 pixels
    • SIP- T31W:132 x 64 pixels
  • Security algorithms
    • VVX 450 12-Line IP Phone and PoE-enabled:HTTPS
    • SIP- T31W:AES, WPA2, WPA3
  • RJ-9 ports quantity
    • VVX 450 12-Line IP Phone and PoE-enabled:1
    • SIP- T31W:2
  • Operating relative humidity (H-H)
    • VVX 450 12-Line IP Phone and PoE-enabled:5 - 95%
    • SIP- T31W:10 - 95%

Side by side

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Comparison of VVX 450 12-Line IP Phone and PoE-enabled, SIP- T31W
77 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourDiffersBlackGrey
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Phone features2 differ
Lines quantityDiffers12 lines2 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 forwardingYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnYesYes
Call transferKnown for oneUnknown — not stated by the sourceYes
Call waitingKnown for oneUnknown — not stated by the sourceYes
Caller IDYesYes
Do not disturb functionKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
Full duplexYesYes
Number of VoIP accountsDiffers342
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
Call historyKnown for oneYesUnknown — not stated by the source
SIP registrar serverKnown for oneYesUnknown — not stated by the source
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
Display2 differ
DisplayLCDLCD
Display diagonalDiffers10.9 cm (4.3")5.84 cm (2.3")
Display resolutionDiffers480 x 272 pixels132 x 64 pixels
Display number of linesKnown for oneUnknown — not stated by the source2 lines
Backlight displayYesYes
TouchscreenKnown for oneNoUnknown — not stated by the source
Audio1 differ
SpeakerphoneKnown for oneUnknown — not stated by the sourceYes
Microphone muteKnown for oneUnknown — not stated by the sourceYes
Comfort noise generation (CNG)YesYes
Packet loss concealment (PLC)Known for oneUnknown — not stated by the sourceYes
Voice codecsDiffersOPUS, G.722, G.729A, G.729B, G.711a, iLBC, G.711ulawAEC, AGC, AJB, G.711, G.711a, G.722, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab, VAD, iLBC
Echo cancellationKnown for oneYesUnknown — not stated by the source
Noise reductionKnown for oneYesUnknown — not stated by the source
Voice activity detectionKnown for oneYesUnknown — not stated by the source
Network1 differ
Ethernet LANYesYes
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-FiKnown for oneUnknown — not stated by the sourceYes
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)
BluetoothNoNo
Security algorithmsDiffersHTTPSAES, WPA2, WPA3
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
USB 2.0 ports quantityKnown for one2Unknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)YesYes
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 conditions3 differ
Operating relative humidity (H-H)Differs5 - 95%10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 45 °C
Storage temperature (T-T)Differs-40 - 70 °C-30 - 70 °C
Storage relative humidity (H-H)Known for one-40 - 70%Unknown — not stated by the source
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 one240 mmUnknown — not stated by the source
Package depthKnown for one230 mmUnknown — not stated by the source
Package heightKnown for one57 mmUnknown — not stated by the source
Package weightKnown for one300 gUnknown — not stated by the source
Packaging contentidentical
Number of handles includedKnown for oneUnknown — not stated by the source1 pc(s)
Cables includedKnown for oneLAN (RJ-45), RJ-9Unknown — not stated by the source
Headset includedKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Certificatesidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — not stated by the source
Compliance certificatesKnown for oneRoHS, Federal Communications Commission (FCC), CEUnknown — not stated by the source
Logistics dataidentical
Country of originKnown for oneChina, MexicoUnknown — not stated by the source
Pallet gross weightKnown for one357 kgUnknown — not stated by the source
UNSPSC-codeKnown for one43191511Unknown — 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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