Product comparison · 2 ip phones

HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA vs Yealink SIP T42U

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  • 26specifications compared
  • 14differ
  • 12identical
  • 46known for one product only

Key differences

The HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA has 22 more VoIP accounts than the Yealink SIP T42U (34 vs 12). The Yealink SIP T42U 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). The Yealink SIP T42U has 5 - 95% more operating relative humidity (H-H) than the HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA (10 - 95% vs 5 - 95%). Only the Yealink SIP T42U has Bluetooth. Handset type: Wired handset on the HP Poly VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA, Wireless handset on the Yealink SIP T42U.

  • Handset type
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:Wired handset
    • SIP T42U:Wireless handset
  • Product colour
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:Black
    • SIP T42U:Grey
  • Number of VoIP accounts
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:34
    • SIP T42U:12
  • Display diagonal
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:10.9 cm (4.3")
    • SIP T42U:6.86 cm (2.7")
  • Display resolution
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:480 x 272 pixels
    • SIP T42U:192 x 68 pixels
  • Bluetooth
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:No
    • SIP T42U:Yes
  • RJ-9 ports quantity
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:1
    • SIP T42U:2
  • Operating relative humidity (H-H)
    • VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA:5 - 95%
    • SIP T42U:10 - 95%

Side by side

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Comparison of VVX 450 12-Line IP Phone and PoE-enabled GSA/TAA, SIP T42U
72 specifications
Design2 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWireless handset
Product colourDiffersBlackGrey
Device lockKnown for oneUnknown — not stated by the sourceYes
MountingKnown for oneUnknown — not stated by the sourceDesk/Wall
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Phone features1 differ
Anonymous callKnown for oneUnknown — not stated by the sourceYes
Anonymous call rejectionKnown for oneUnknown — not stated by the sourceYes
Call forwardingYesYes
Call historyYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call transferKnown for oneUnknown — not stated by the sourceYes
Call waitingKnown for oneUnknown — not stated by the sourceYes
Caller IDYesYes
Conference callKnown for oneUnknown — not stated by the sourceYes
Direct callKnown for oneUnknown — not stated by the sourceYes
Distinctive ringKnown for oneUnknown — not stated by the sourceYes
Do not disturb functionKnown for oneUnknown — not stated by the sourceYes
Full duplexYesYes
Number of VoIP accountsDiffers3412
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
RedialingKnown for oneUnknown — not stated by the sourceYes
Speed diallingKnown for oneUnknown — not stated by the sourceYes
Lines quantityKnown for one12 linesUnknown — not stated by the source
Call returnKnown 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 sourceNo
Number of function keysKnown for oneUnknown — not stated by the source5
Number of programmable keysKnown for oneUnknown — not stated by the source6
Display2 differ
DisplayLCDLCD
Display diagonalDiffers10.9 cm (4.3")6.86 cm (2.7")
Display resolutionDiffers480 x 272 pixels192 x 68 pixels
TouchscreenKnown for oneNoUnknown — not stated by the source
Backlight displayKnown for oneYesUnknown — not stated by the source
Cameraidentical
Rear cameraKnown for oneUnknown — not stated by the sourceYes
Network2 differ
Ethernet LANYesYes
Ethernet LAN interface typeKnown for oneUnknown — not stated by the sourceGigabit Ethernet
Wi-FiKnown for oneUnknown — not stated by the sourceYes
BluetoothDiffersNoYes
Networking standardsKnown for oneUnknown — not stated by the sourceIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportKnown for oneUnknown — not stated by the sourceYes
Security algorithmsDiffersHTTPS256-bit AES, HTTPS, TLS, WPA2, WPA3
Supported network protocolsKnown for oneUnknown — not stated by the sourceIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)
Ports & interfaces1 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
Poweridentical
Power consumption (typical)Known for oneUnknown — not stated by the source2.2 W
Power over Ethernet (PoE)Known for oneYesUnknown — not stated by the source
Operational conditions2 differ
Operating relative humidity (H-H)Differs5 - 95%10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage relative humidity (H-H)Known for one-40 - 70%Unknown — not stated by the source
Weight & dimensions4 differ
WidthKnown for oneUnknown — not stated by the source212 mm
DepthKnown for oneUnknown — not stated by the source189 mm
HeightKnown for oneUnknown — not stated by the source175 mm
Package widthDiffers240 mm627 mm
Package depthDiffers230 mm256 mm
Package heightDiffers57 mm235 mm
Package weightDiffers1.04 kg63 kg
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceNo
Number of handles includedKnown for oneUnknown — not stated by the source1 pc(s)
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
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
Certificatesidentical
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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