Product comparison · 2 ip phones

HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA vs Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi

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  • 21specifications compared
  • 8differ
  • 13identical
  • 42known for one product only

Key differences

The HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA has 4 lines more lines quantity than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (12 lines vs 8 lines). The HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA has 22 more VoIP accounts than the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi (34 vs 12). The Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi has 1 more RJ-9 ports quantity than the HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA (2 vs 1). Product colour: Black on the HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA, Grey on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi. Display diagonal: 10.9 cm (4.3") on the HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA, 7.11 cm (2.8") on the Yealink SIP-T44U IP phone Grey 8 lines LCD Wi-Fi.

  • Product colour
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:Black
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:Grey
  • Lines quantity
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:12 lines
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:8 lines
  • Number of VoIP accounts
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:34
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:12
  • Display diagonal
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:10.9 cm (4.3")
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:7.11 cm (2.8")
  • Display resolution
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:480 x 272 pixels
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:320 x 240 pixels
  • RJ-9 ports quantity
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:1
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:2
  • Operating relative humidity (H-H)
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:5 - 95%
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:5 - 90%
  • Operating temperature (T-T)
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:0 - 40 °C
    • SIP-T44U IP phone Grey 8 lines LCD Wi-Fi:-10 - 45 °C

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Comparison of VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA, SIP-T44U
63 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeKnown for oneWired handsetUnknown — not stated by the source
Product colourDiffersBlackGrey
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Phone features2 differ
Lines quantityDiffers12 lines8 lines
Call forwardingYesYes
Call historyKnown for oneYesUnknown — not stated by the source
Call holdYesYes
Call parkKnown for oneYesUnknown — not stated by the source
Call pick upKnown for oneYesUnknown — not stated by the source
Call returnKnown for oneYesUnknown — not stated by the source
Caller IDYesYes
Full duplexYesYes
Number of VoIP accountsDiffers3412
SIP registrar serverYesYes
Anonymous callKnown for oneUnknown — not stated by the sourceYes
Call waitingKnown for oneUnknown — not stated by the sourceYes
Conference callKnown for oneUnknown — not stated by the sourceYes
Direct callKnown for oneUnknown — not stated by the sourceYes
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
Display2 differ
DisplayLCDLCD
Display diagonalDiffers10.9 cm (4.3")7.11 cm (2.8")
Display resolutionDiffers480 x 272 pixels320 x 240 pixels
TouchscreenNoNo
Backlight displayYesYes
Audioidentical
Comfort noise generation (CNG)Known for oneYesUnknown — not stated by the source
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
Voice codecsKnown for oneOPUS, G.722, G.729A, G.729B, G.711a, iLBC, G.711ulawUnknown — not stated by the source
SpeakerphoneKnown for oneUnknown — not stated by the sourceYes
Microphone muteKnown for oneUnknown — not stated by the sourceYes
Networkidentical
Ethernet LANYesYes
BluetoothKnown for oneNoUnknown — not stated by the source
Security algorithmsKnown for oneHTTPSUnknown — not stated by the source
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source1000 Mbit/s
Ethernet LAN interface typeKnown for oneUnknown — not stated by the sourceGigabit Ethernet
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Ports & interfaces1 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
Certificatesidentical
Compliance certificatesKnown for oneFederal Communications Commission (FCC), CEUnknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)YesYes
Operational conditions2 differ
Operating relative humidity (H-H)Differs5 - 95%5 - 90%
Operating temperature (T-T)Differs0 - 40 °C-10 - 45 °C
Storage relative humidity (H-H)Known for one-40 - 70%Unknown — not stated by the source
Storage temperature (T-T)Known for oneUnknown — not stated by the source-30 - 70 °C
Weight & dimensionsidentical
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 one1.04 kgUnknown — not stated by the source
WidthKnown for oneUnknown — not stated by the source224.9 mm
DepthKnown for oneUnknown — not stated by the source206.2 mm
HeightKnown for oneUnknown — not stated by the source174.9 mm
Packaging contentidentical
Symbol keypadKnown for oneYesUnknown — not stated by the source
Headset includedKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Ethernet cableKnown for oneUnknown — not stated by the sourceYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Number of handles includedKnown for oneUnknown — not stated by the source1 pc(s)
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Stand includedKnown for oneUnknown — not stated by the sourceYes
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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