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Product comparison · 2 ip phones

HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled vs Yealink T88V Pro

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  • 33specifications compared
  • 15differ
  • 18identical
  • 55known 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 T88V Pro (2 vs 1). The Yealink T88V Pro has 7 V more AC adapter output voltage than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled (12 V vs 5 V). The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 1.75 A more AC adapter output current than the Yealink T88V Pro (3 A vs 1.25 A). Only the Yealink T88V Pro has touchscreen. Handset type: Wired handset on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled, Wired & Wireless handset on the Yealink T88V Pro.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Display
    • LED
    • LCD
  • Display diagonal
    • 10.9 cm (4.3")
    • 17.8 cm (7")
  • Display resolution
    • 480 x 272 pixels
    • 1024 x 600 pixels
  • Touchscreen
    • No
    • Yes
  • Security algorithms
    • 802.1x RADIUS, HTTPS, TLS
    • WPA2, WPA3
  • USB 2.0 ports quantity
    • 2
    • 1
  • AC adapter output voltage
    • 5 V
    • 12 V

Side by side

Differences highlightedShow differences only
88 specifications
A

HP Poly

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

Yealink

T88V ProView product
Design1 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourBlackBlack
Backlight keypadKnown for oneYes
MountingKnown for oneDesk
Performanceidentical
Operating system installedKnown for oneAndroid
Operating system versionKnown for one13
Phone featuresidentical
Answering machineKnown for oneYes
Anonymous callKnown for oneYes
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call returnKnown for oneYes
Call waitingYesYes
Caller IDKnown for oneYes
Conference callYesYes
Customizable wallpaperKnown for oneYes
Emergency callKnown for oneYes
Full duplexKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Number of VoIP accountsKnown for one16
Phonebook capacityKnown for one1000 entries
Phonebook sharingKnown for oneYes
RedialingYesYes
Speed diallingYesYes
Lines quantityKnown for one12 lines
Call transferKnown for oneYes
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Volume controlKnown for oneButtons
Management platformKnown for oneYealink Device Management Platform
Display4 differ
DisplayDiffersLEDLCD
Display diagonalDiffers10.9 cm (4.3")17.8 cm (7")
Display resolutionDiffers480 x 272 pixels1024 x 600 pixels
TouchscreenDiffersNoYes
Backlight displayKnown for oneYes
Cameraidentical
Front cameraKnown for oneYes
Front camera resolution (numeric)Known for one5 MP
Field of view (FOV) angleKnown for one75°
Audio1 differ
SpeakerphoneYesYes
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
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.0
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, TLSWPA2, WPA3
SyslogYesYes
Ports & interfaces1 differ
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityDiffers21
USB Type-C ports quantityKnown for one1
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for one2
Power2 differ
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageDiffers5 V12 V
AC adapter output currentDiffers3 A1.25 A
Operational conditions2 differ
Operating relative humidity (H-H)5 - 95%5 - 95%
Operating temperature (T-T)Differs0 - 40 °C10 - 45 °C
Storage temperature (T-T)Differs-40 - 70 °C-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers240 mm263.7 mm
DepthDiffers57 mm206.9 mm
HeightDiffers230 mm261 mm
Package widthKnown for one290 mm
Package depthKnown for one288 mm
Package heightKnown for one104 mm
WeightKnown for one1.04 kg
Packaging contentidentical
Mounting kitKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
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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