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Product comparison · 2 ip phones

HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply vs Yealink SIP T42U

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  • 28specifications compared
  • 12differ
  • 16identical
  • 44known for one product only

Key differences

The Yealink SIP T42U has 5 - 95% more operating relative humidity (H-H) than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply (10 - 95% vs 5 - 95%). The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply has 28 mm more width than the Yealink SIP T42U (240 mm vs 212 mm). The Yealink SIP T42U has 132 mm more depth than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply (189 mm vs 57 mm). Only the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply has AC adapter included. Handset type: Wired handset on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply, Wireless handset on the Yealink SIP T42U.

  • Handset type
    • Wired handset
    • Wireless handset
  • Product colour
    • Black
    • Grey
  • Display
    • LED
    • LCD
  • Display diagonal
    • 10.9 cm (4.3")
    • 6.86 cm (2.7")
  • Display resolution
    • 480 x 272 pixels
    • 192 x 68 pixels
  • Operating relative humidity (H-H)
    • 5 - 95%
    • 10 - 95%
  • Operating temperature (T-T)
    • 0 - 40 °C
    • -10 - 50 °C
  • Width
    • 240 mm
    • 212 mm

Side by side

Differences highlightedShow differences only
72 specifications
A

HP Poly

OBi VVX 450 12-Line IP Phone and PoE-enabled with Power SupplyView product
B

Yealink

SIP T42UView product
Design2 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWireless handset
Product colourDiffersBlackGrey
Device lockKnown for oneYes
MountingKnown for oneDesk/Wall
Wall mountableKnown for oneYes
Phone featuresidentical
Anonymous callKnown for oneYes
Anonymous call rejectionKnown for oneYes
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call transferYesYes
Call waitingYesYes
Caller IDKnown for oneYes
Conference callYesYes
Direct callKnown for oneYes
Distinctive ringYesYes
Do not disturb functionYesYes
Full duplexKnown for oneYes
Number of VoIP accountsKnown for one12
Phonebook capacityKnown for one1000 entries
RedialingYesYes
Speed diallingYesYes
Lines quantityKnown for one12 lines
Management featuresidentical
Integrated voicemailKnown for oneNo
Number of function keysKnown for one5
Number of programmable keysKnown for one6
Display3 differ
DisplayDiffersLEDLCD
Display diagonalDiffers10.9 cm (4.3")6.86 cm (2.7")
Display resolutionDiffers480 x 272 pixels192 x 68 pixels
TouchscreenKnown for oneNo
Cameraidentical
Rear cameraKnown for oneYes
Network1 differ
Ethernet LANYesYes
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Wi-FiKnown for oneYes
BluetoothKnown for oneYes
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, TLS256-bit AES, HTTPS, TLS, WPA2, WPA3
Supported network protocolsKnown for oneIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
SyslogKnown for oneYes
Ports & interfacesidentical
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for one2
Poweridentical
Power consumption (typical)Known for one2.2 W
Power over Ethernet (PoE)Known for oneYes
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one3 A
Operational conditions2 differ
Operating relative humidity (H-H)Differs5 - 95%10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Weight & dimensions3 differ
WidthDiffers240 mm212 mm
DepthDiffers57 mm189 mm
HeightDiffers230 mm175 mm
Package widthKnown for one627 mm
Package depthKnown for one256 mm
Package heightKnown for one235 mm
Package weightKnown for one63 kg
WeightKnown for one1.04 kg
Packaging content1 differ
AC adapter includedDiffersYesNo
Number of handles included1 pc(s)1 pc(s)
Audioidentical
SpeakerphoneKnown for oneYes
Comfort noise generation (CNG)Known for oneYes
Voice activity detectionKnown for oneYes
Voice codecsKnown for oneG.711, G.722, G.722.1, G.729ab, OPUS, iLBC
Technical detailsidentical
Warranty periodKnown for one1 year(s)
Certificatesidentical
Sustainability certificatesKnown for oneENERGY STAR
SafetyKnown for oneUL 60950-1/62368-1, CE Mark, CAN/CSA C22.2 No 60950-1/62368-1-1, EN 60950-1/62368-1, IEC 60950-1/62368-1, AS/NZS 60950-1
CertificationKnown for oneFCC Part 15 (CFR 47) Class B ICES-003 Class B EN55032 Class B CISPR32 Class B VCCI Class B EN55024 EN61000-3-2; EN61000-3-3 NZ Telepermit Korea KCC3 UAE TRA Russia CU3 Brazil ANATEL3 Australia RCM South Africa ICASA3 Saudi Arabia CITC China CCC3 RoHS Complian TAA

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