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Product comparison · 2 ip phones

HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply vs Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi

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  • 24specifications compared
  • 10differ
  • 14identical
  • 42known for one product only

Key differences

The Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi has 4 lines more lines quantity than the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply (8 lines vs 4 lines). The Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi has 1 more USB 2.0 ports quantity than the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply (2 vs 1). Product colour: Black on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply, Grey on the Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi. Display: LED on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply, LCD on the Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi. Ethernet LAN data rates: 10,100,1000 Mbit/s on the HP Poly OBi VVX 250 4-Line IP Phone and PoE-enabled with Power Supply, 1000 Mbit/s on the Yealink SIP-T44W IP phone Grey 8 lines LCD Wi-Fi.

  • Product colour
    • Black
    • Grey
  • Lines quantity
    • 4 lines
    • 8 lines
  • Display
    • LED
    • LCD
  • Ethernet LAN data rates
    • 10,100,1000 Mbit/s
    • 1000 Mbit/s
  • USB 2.0 ports quantity
    • 1
    • 2
  • Operating relative humidity (H-H)
    • 5 - 95%
    • 5 - 90%
  • Operating temperature (T-T)
    • 0 - 40 °C
    • -10 - 45 °C
  • Storage temperature (T-T)
    • -40 - 70 °C
    • -30 - 70 °C

Side by side

Differences highlightedShow differences only
66 specifications
A

HP Poly

OBi VVX 250 4-Line IP Phone and PoE-enabled with Power SupplyView product
B

Yealink

SIP-T44W IP phone Grey 8 lines LCD Wi-Fi

Model SIP-T44W

View product
Design1 differ
Product typeIP PhoneIP Phone
Product colourDiffersBlackGrey
Wall mountableKnown for oneYes
Handset typeKnown for oneWired handset
Phone features1 differ
Lines quantityDiffers4 lines8 lines
Anonymous callKnown for oneYes
Call forwardingYesYes
Call holdYesYes
Call waitingYesYes
Caller IDKnown for oneYes
Conference callYesYes
Direct callKnown for oneYes
Full duplexKnown for oneYes
Number of VoIP accountsKnown for one12
Phonebook capacityKnown for one1000 entries
SIP registrar serverKnown for oneYes
Call transferKnown for oneYes
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
RedialingKnown for oneYes
Speed diallingKnown for oneYes
Display1 differ
DisplayDiffersLEDLCD
Display diagonal7.11 cm (2.8")7.11 cm (2.8")
Display resolution320 x 240 pixels320 x 240 pixels
TouchscreenNoNo
Backlight displayKnown for oneYes
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, PCMA
Comfort noise generation (CNG)Known for oneYes
Voice activity detectionKnown for oneYes
Network1 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s1000 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)
BluetoothKnown for oneYes
Security algorithmsKnown for one802.1x RADIUS, HTTPS
SyslogKnown for oneYes
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers12
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for one2
Certificates1 differ
CertificationDiffersFCC 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 TAACE, FC
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
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for one100 - 240 V
Power consumption (Power over Ethernet (PoE))Known for one5.2 W
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one3 A
Operational conditions3 differ
Operating relative humidity (H-H)Differs5 - 95%5 - 90%
Operating temperature (T-T)Differs0 - 40 °C-10 - 45 °C
Storage temperature (T-T)Differs-40 - 70 °C-30 - 70 °C
Weight & dimensionsidentical
WidthKnown for one224.9 mm
DepthKnown for one206.2 mm
HeightKnown for one174.9 mm
Package widthKnown for one239 mm
Package depthKnown for one223 mm
Package heightKnown for one115 mm
Packaging contentidentical
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneYes
Stand includedKnown for oneYes
AC adapter includedKnown for oneYes
Technical detailsidentical
Warranty periodKnown for one1 year(s)

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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