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Product comparison · 2 ip phones

HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled vs Yealink-SIP-T73U

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  • 32specifications compared
  • 13differ
  • 19identical
  • 38known for one product only

Key differences

The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 1 more USB 2.0 ports quantity than the Yealink-SIP-T73U (2 vs 1). The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 1 A more AC adapter output current than the Yealink-SIP-T73U (3 A vs 2 A). The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 31 mm more width than the Yealink-SIP-T73U (240 mm vs 209 mm). Handset type: Wired handset on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled, Wired & Wireless handset on the Yealink-SIP-T73U. Display: LED on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled, LCD on the Yealink-SIP-T73U.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Display
    • LED
    • LCD
  • Display diagonal
    • 10.9 cm (4.3")
    • 7.11 cm (2.8")
  • Display resolution
    • 480 x 272 pixels
    • 320 x 240 pixels
  • Security algorithms
    • 802.1x RADIUS, HTTPS, TLS
    • WPA2, WPA3
  • USB 2.0 ports quantity
    • 2
    • 1
  • AC adapter output current
    • 3 A
    • 2 A
  • Operating temperature (T-T)
    • 0 - 40 °C
    • 10 - 45 °C

Side by side

Differences highlightedShow differences only
70 specifications
A

HP Poly

OBi VVX 450 12-Line IP Phone and PoE-enabledView product
B

Yealink

Yealink-SIP-T73U

Model T73U

View product
Design1 differ
Handset typeDiffersWired handsetWired & Wireless handset
Backlight keypadKnown for oneYes
MountingKnown for oneDesk
Phone featuresidentical
Answering machineKnown for oneYes
Call historyKnown for oneYes
Call returnKnown for oneYes
Caller IDKnown for oneYes
Emergency callKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Number of VoIP accountsKnown for one12
Phonebook capacityKnown for one1000 entries
Phonebook sharingKnown for oneYes
Lines quantityKnown for one12 lines
Call transferKnown for oneYes
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
Management featuresidentical
Management platformKnown for oneYealink Device Management Platform
Display3 differ
DisplayDiffersLEDLCD
Display diagonalDiffers10.9 cm (4.3")7.11 cm (2.8")
Display resolutionDiffers480 x 272 pixels320 x 240 pixels
TouchscreenKnown for oneNo
Audio1 differ
Microphone muteKnown for oneYes
Voice codecsDiffersG.711, G.722, G.722.1, G.729ab, OPUS, iLBCG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
Comfort noise generation (CNG)Known for oneYes
Voice activity detectionKnown for oneYes
Network1 differ
Security algorithmsDiffers802.1x RADIUS, HTTPS, TLSWPA2, WPA3
Ports & interfaces1 differ
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityDiffers21
DC-in jackKnown for oneYes
RJ-9 ports quantityKnown for one2
Power1 differ
AC adapter input voltageKnown for one100 - 240 V
AC adapter output currentDiffers3 A2 A
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 40 °C10 - 45 °C
Storage temperature (T-T)Differs-40 - 70 °C-10 - 70 °C
Weight & dimensions3 differ
WidthDiffers240 mm209 mm
DepthDiffers57 mm167.5 mm
HeightDiffers230 mm214.8 mm
Package widthKnown for one231 mm
Package depthKnown for one237 mm
Package heightKnown for one102 mm
WeightKnown for one1.04 kg
Packaging contentidentical
Mounting kitKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Quick start guideKnown for oneYes
AC adapter includedKnown for oneYes
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

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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