Product comparison · 2 ip phones

HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA vs Yealink SIP- T31W

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  • 25specifications compared
  • 10differ
  • 15identical
  • 46known for one product only

Key differences

The HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA has 14 lines more lines quantity than the Yealink SIP- T31W (16 lines vs 2 lines). The HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA has 14 more VoIP accounts than the Yealink SIP- T31W (16 vs 2). The Yealink SIP- T31W has 1 more RJ-9 ports quantity than the HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA (2 vs 1). Product colour: Black on the HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA, Grey on the Yealink SIP- T31W. Display diagonal: 7.11 cm (2.8") on the HP Poly VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA, 5.84 cm (2.3") on the Yealink SIP- T31W.

  • Product colour
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:Black
    • SIP- T31W:Grey
  • Lines quantity
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:16 lines
    • SIP- T31W:2 lines
  • Number of VoIP accounts
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:16
    • SIP- T31W:2
  • Display diagonal
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:7.11 cm (2.8")
    • SIP- T31W:5.84 cm (2.3")
  • Display resolution
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:320 x 240 pixels
    • SIP- T31W:132 x 64 pixels
  • Security algorithms
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:HTTPS
    • SIP- T31W:AES, WPA2, WPA3
  • RJ-9 ports quantity
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:1
    • SIP- T31W:2
  • Operating relative humidity (H-H)
    • VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA:5 - 95%
    • SIP- T31W:10 - 95%

Side by side

Differences highlightedShow differences only (off)
Comparison of VVX 250 4-Line IP Phone and PoE-enabled GSA/TAA, SIP- T31W
71 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 quantityDiffers16 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 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 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 accountsDiffers162
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
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 diagonalDiffers7.11 cm (2.8")5.84 cm (2.3")
Display resolutionDiffers320 x 240 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 codecsDiffersG.711a, G.711ulaw, G.722, G.729A, G.729B, OPUS, iLBCAEC, 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 one1Unknown — 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 conditions2 differ
Operating relative humidity (H-H)Differs5 - 95%10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 45 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-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 one235 mmUnknown — not stated by the source
Package depthKnown for one233 mmUnknown — not stated by the source
Package heightKnown for one56 mmUnknown — not stated by the source
Package weightKnown for one890 gUnknown — not stated by the source
Packaging contentidentical
Number of handles includedKnown for oneUnknown — not stated by the source1 pc(s)
Certificatesidentical
CertificationKnown for oneAustralia RCM; Brazil ANATEL; CAN/CSA C22.2 No. 62368-1-14EN 60950-1; EN 60950-1 & EN 62368-1; EN55024; EN55032 Class B; EN61000-3-2, EN61000-3-3; FCC Part 15 (CFR 47) Class B; ICES-003 Class B; IEC 60950-1 & IEC 62368-1; NZ Telepermit; ROHS compliant; So. Korea KC; So. Africa ICASA; Saudi Arabia CIUnknown — not stated by the source
Compliance certificatesKnown for oneFederal Communications Commission (FCC), CEUnknown — not stated by the source
Logistics dataidentical
Country of originKnown for oneMexicoUnknown — 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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