Product comparison · 2 ip phones

HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled vs Yealink-SIP-T85W

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  • 28specifications compared
  • 9differ
  • 19identical
  • 53known for one product only

Key differences

The HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled has 1 A more AC adapter output current than the Yealink-SIP-T85W (3 A vs 2 A). Handset type: Wired handset on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled, Wired & Wireless handset on the Yealink-SIP-T85W. Display: LED on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled, LCD on the Yealink-SIP-T85W. Display diagonal: 7.11 cm (2.8") on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled, 14 cm (5.5") on the Yealink-SIP-T85W. Display resolution: 320 x 240 pixels on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled, 960 x 480 pixels on the Yealink-SIP-T85W.

  • Handset type
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:Wired handset
    • Yealink-SIP-T85W:Wired & Wireless handset
  • Display
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:LED
    • Yealink-SIP-T85W:LCD
  • Display diagonal
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:7.11 cm (2.8")
    • Yealink-SIP-T85W:14 cm (5.5")
  • Display resolution
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:320 x 240 pixels
    • Yealink-SIP-T85W:960 x 480 pixels
  • Security algorithms
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:802.1x RADIUS, HTTPS
    • Yealink-SIP-T85W:WPA2, WPA3
  • AC adapter output current
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:3 A
    • Yealink-SIP-T85W:2 A
  • Operating temperature (T-T)
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:0 - 40 °C
    • Yealink-SIP-T85W:10 - 45 °C
  • Storage temperature (T-T)
    • OBi VVX 250 4-Line IP Phone and PoE-enabled:-40 - 70 °C
    • Yealink-SIP-T85W:-30 - 70 °C

Side by side

Differences highlightedShow differences only (off)
Comparison of OBi VVX 250 4-Line IP Phone and PoE-enabled, T85W
81 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourBlackBlack
Backlight keypadKnown for oneUnknown — not stated by the sourceYes
MountingKnown for oneUnknown — not stated by the sourceDesk
Phone featuresidentical
Answering machineKnown for oneUnknown — not stated by the sourceYes
Anonymous callKnown for oneUnknown — not stated by the sourceYes
Call forwardingYesYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call holdYesYes
Call parkKnown for oneUnknown — not stated by the sourceYes
Call pick upKnown for oneUnknown — not stated by the sourceYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Call waitingYesYes
Caller IDKnown for oneUnknown — not stated by the sourceYes
Conference callYesYes
Customizable wallpaperKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
Full duplexKnown for oneUnknown — not stated by the sourceYes
IntercomKnown for oneUnknown — not stated by the sourceYes
Message-waiting indicator (MWI)Known for oneUnknown — not stated by the sourceYes
Number of VoIP accountsKnown for oneUnknown — not stated by the source16
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
Phonebook sharingKnown for oneUnknown — not stated by the sourceYes
RedialingYesYes
Speed diallingYesYes
Lines quantityKnown for one4 linesUnknown — not stated by the source
Call transferKnown for oneYesUnknown — not stated by the source
Distinctive ringKnown for oneYesUnknown — not stated by the source
Do not disturb functionKnown for oneYesUnknown — not stated by the source
Management featuresidentical
Integrated voicemailKnown for oneUnknown — not stated by the sourceYes
Volume controlKnown for oneUnknown — not stated by the sourceButtons
Management platformKnown for oneUnknown — not stated by the sourceYealink Device Management Platform
Display3 differ
DisplayDiffersLEDLCD
Display diagonalDiffers7.11 cm (2.8")14 cm (5.5")
Display resolutionDiffers320 x 240 pixels960 x 480 pixels
TouchscreenKnown for oneNoUnknown — not stated by the source
Audio1 differ
SpeakerphoneYesYes
Microphone muteKnown for oneUnknown — not stated by the sourceYes
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 oneYesUnknown — not stated by the source
Voice activity detectionKnown for oneYesUnknown — not stated by the source
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 oneUnknown — not stated by the sourceYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.0
Quality of Service (QoS) supportKnown for oneUnknown — not stated by the sourceYes
Security algorithmsDiffers802.1x RADIUS, HTTPSWPA2, WPA3
SyslogYesYes
Ports & interfacesidentical
Headset connectivityKnown for oneUnknown — not stated by the sourceRJ-9
USB 2.0 ports quantity11
USB Type-C ports quantityKnown for oneUnknown — not stated by the source1
DC-in jackKnown for oneUnknown — not stated by the sourceYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for oneUnknown — not stated by the source2
Power1 differ
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC adapter output voltage5 V5 V
AC adapter output currentDiffers3 A2 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 & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source258.7 mm
DepthKnown for oneUnknown — not stated by the source176.3 mm
HeightKnown for oneUnknown — not stated by the source224.4 mm
Package widthKnown for oneUnknown — not stated by the source285 mm
Package depthKnown for oneUnknown — not stated by the source253 mm
Package heightKnown for oneUnknown — not stated by the source104 mm
Packaging contentidentical
Mounting kitKnown for oneUnknown — not stated by the sourceYes
Ethernet cableKnown for oneUnknown — not stated by the sourceYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneUnknown — not stated by the sourceYes
AC adapter includedKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Warranty periodKnown for one1 year(s)Unknown — not stated by the source
Certificatesidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — not stated by the source
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 60950-1Unknown — not stated by the source
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 TAAUnknown — 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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