Product comparison · 2 ip phones

HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply vs Yealink MP45

14specifications compared
10differ
4identical
45known for one product only

Key differences

The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply has 1.8 A more AC adapter output current than the Yealink MP45 (3 A vs 1.2 A). The Yealink MP45 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 17 mm more width than the Yealink MP45 (240 mm vs 223 mm). Only the Yealink MP45 has touchscreen. Product colour: Black on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply, Black, Grey on the Yealink MP45.

Product colour
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:Black
- MP45:Black, Grey
Display diagonal
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:10.9 cm (4.3")
- MP45:10.2 cm (4")
Display resolution
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:480 x 272 pixels
- MP45:480 x 800 pixels
Touchscreen
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:No
- MP45:Yes
AC adapter output current
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:3 A
- MP45:1.2 A
Operating relative humidity (H-H)
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:5 - 95%
- MP45:10 - 95%
Operating temperature (T-T)
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:0 - 40 °C
- MP45:-10 - 50 °C
Width
- OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply:240 mm
- MP45:223 mm

Side by side

Differences highlightedShow differences only

Comparison of OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply, MP45
59 specifications	A HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled with Power Supply View product	B Yealink MP45 Model MP45 View product
Design1 differ
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colourDiffers	Black	Black, Grey
Backlight keypadKnown for one	Unknown — not stated by the source	Yes
Phone featuresidentical
Lines quantityKnown for one	12 lines	Unknown — not stated by the source
Call forwardingKnown for one	Yes	Unknown — not stated by the source
Call holdKnown for one	Yes	Unknown — not stated by the source
Call transferKnown for one	Yes	Unknown — not stated by the source
Call waitingKnown for one	Yes	Unknown — not stated by the source
Conference callKnown for one	Yes	Unknown — not stated by the source
Distinctive ringKnown for one	Yes	Unknown — not stated by the source
Do not disturb functionKnown for one	Yes	Unknown — not stated by the source
RedialingKnown for one	Yes	Unknown — not stated by the source
Speed diallingKnown for one	Yes	Unknown — not stated by the source
Caller IDKnown for one	Unknown — not stated by the source	Yes
Display3 differ
DisplayKnown for one	LED	Unknown — not stated by the source
Display diagonalDiffers	10.9 cm (4.3")	10.2 cm (4")
Display resolutionDiffers	480 x 272 pixels	480 x 800 pixels
TouchscreenDiffers	No	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Audioidentical
SpeakerphoneKnown for one	Yes	Unknown — not stated by the source
Comfort noise generation (CNG)Known for one	Yes	Unknown — not stated by the source
Voice activity detectionKnown for one	Yes	Unknown — not stated by the source
Voice codecsKnown for one	G.711, G.722, G.722.1, G.729ab, OPUS, iLBC	Unknown — not stated by the source
Adaptive jitter buffersKnown for one	Unknown — not stated by the source	Yes
Automatic gain controlKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ethernet LAN interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	802.1x RADIUS, HTTPS, TLS	Unknown — not stated by the source
SyslogKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Warranty periodKnown for one	1 year(s)	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	2	Unknown — not stated by the source
Certificatesidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
SafetyKnown for one	UL 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	Unknown — not stated by the source
CertificationKnown for one	FCC 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	Unknown — not stated by the source
Power1 differ
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
AC adapter output voltage	5 V	5 V
AC adapter output currentDiffers	3 A	1.2 A
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Operational conditions2 differ
Operating relative humidity (H-H)Differs	5 - 95%	10 - 95%
Operating temperature (T-T)Differs	0 - 40 °C	-10 - 50 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	240 mm	223 mm
DepthDiffers	57 mm	159 mm
HeightDiffers	230 mm	127 mm
WeightKnown for one	1.04 kg	Unknown — not stated by the source
Package widthKnown for one	Unknown — not stated by the source	249 mm
Package depthKnown for one	Unknown — not stated by the source	179 mm
Package heightKnown for one	Unknown — not stated by the source	103 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Number of handles included	1 pc(s)	1 pc(s)
Performanceidentical
Internal memoryKnown for one	Unknown — not stated by the source	64 MB
Flash memoryKnown for one	Unknown — not stated by the source	128 MB
Operating system installedKnown for one	Unknown — not stated by the source	Linux
Hearing aid compatibilityKnown for one	Unknown — not stated by the source	Yes
Management featuresidentical
Volume controlKnown for one	Unknown — not stated by the source	Buttons

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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