Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled

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  • 33specifications compared
  • 11differ
  • 22identical
  • 42known for one product only

Key differences

The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 8 lines more lines quantity than the AudioCodes 425HD TAA IP-Phone PoE GbE black (12 lines vs 4 lines). The HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled has 29.6 mm more width than the AudioCodes 425HD TAA IP-Phone PoE GbE black (240 mm vs 210.4 mm). The AudioCodes 425HD TAA IP-Phone PoE GbE black has 33.9 mm more depth than the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled (90.9 mm vs 57 mm). Display: LCD on the AudioCodes 425HD TAA IP-Phone PoE GbE black, LED on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled. Display diagonal: 8.89 cm (3.5") on the AudioCodes 425HD TAA IP-Phone PoE GbE black, 10.9 cm (4.3") on the HP Poly OBi VVX 450 12-Line IP Phone and PoE-enabled.

  • Lines quantity
    • 425HD TAA IP-Phone PoE GbE black:4 lines
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:12 lines
  • Display
    • 425HD TAA IP-Phone PoE GbE black:LCD
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:LED
  • Display diagonal
    • 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:10.9 cm (4.3")
  • Display resolution
    • 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:480 x 272 pixels
  • Storage temperature (T-T)
    • 425HD TAA IP-Phone PoE GbE black:-20 - 70 °C
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:-40 - 70 °C
  • Width
    • 425HD TAA IP-Phone PoE GbE black:210.4 mm
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:240 mm
  • Depth
    • 425HD TAA IP-Phone PoE GbE black:90.9 mm
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:57 mm
  • Height
    • 425HD TAA IP-Phone PoE GbE black:212.2 mm
    • OBi VVX 450 12-Line IP Phone and PoE-enabled:230 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 425HD, OBi VVX 450 12-Line IP Phone and PoE-enabled
75 specifications
Designidentical
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourBlackBlack
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneSIP infoUnknown — not stated by the source
Phone features1 differ
Lines quantityDiffers4 lines12 lines
Answering machineKnown for oneYesUnknown — not stated by the source
Call forwardingYesYes
Call holdYesYes
Call parkKnown for oneYesUnknown — not stated by the source
Call pick upKnown for oneYesUnknown — not stated by the source
Call transferYesYes
Call waitingYesYes
Caller IDKnown for oneYesUnknown — not stated by the source
Conference callYesYes
Do not disturb functionYesYes
Full duplexKnown for oneYesUnknown — not stated by the source
Message-waiting indicator (MWI)Known for oneYesUnknown — not stated by the source
RedialingYesYes
Speed diallingYesYes
Distinctive ringKnown for oneUnknown — not stated by the sourceYes
Management featuresidentical
Volume controlKnown for oneButtonsUnknown — not stated by the source
Number of programmable keysKnown for one8Unknown — not stated by the source
Display3 differ
DisplayDiffersLCDLED
Display diagonalDiffers8.89 cm (3.5")10.9 cm (4.3")
Display resolutionDiffers320 x 480 pixels480 x 272 pixels
TouchscreenNoNo
Audio1 differ
SpeakerphoneYesYes
Microphone muteKnown for oneYesUnknown — not stated by the source
Adaptive jitter buffersKnown for oneYesUnknown — not stated by the source
Echo cancellationKnown for oneYesUnknown — not stated by the source
Packet loss concealment (PLC)Known for oneYesUnknown — not stated by the source
Voice activity detectionYesYes
Voice codecsDiffersG.711, G.722, G.729, OPUSG.711, G.722, G.722.1, G.729ab, OPUS, iLBC
Comfort noise generation (CNG)Known for oneUnknown — not stated by the sourceYes
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 oneNoUnknown — not stated by the source
BluetoothKnown for oneNoUnknown — not stated by the source
Networking standardsKnown for oneIEEE 802.3af, IEEE 802.1x, IEEE 802.1pUnknown — not stated by the source
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, SRTP, TLS802.1x RADIUS, HTTPS, TLS
Supported network protocolsKnown for oneIPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, static IP/DHCP IP assignment, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN configuration, LDAPUnknown — not stated by the source
VoIP protocolsKnown for oneSIP – RFC 3261, SDP – RFC 2327, SIP over TCP/UDP/TLS, DNS_SRV (redundancy), digest authentication, PRACK, early media, SIP subscribe notify, BLF (busy lamp field), presence, MWI (message waiting indication)Unknown — not stated by the source
SyslogKnown for oneUnknown — not stated by the sourceYes
Ports & interfacesidentical
Cable lock slotKnown for oneYesUnknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityKnown for one1Unknown — not stated by the source
WAN connection typeKnown for oneRJ-45Unknown — not stated by the source
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source2
Certificatesidentical
Compliance certificatesKnown for oneFederal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, TAAUnknown — not stated by the source
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR
SafetyKnown for oneUnknown — not stated by the sourceUL 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 oneUnknown — not stated by the sourceFCC 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
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter output voltageKnown for oneUnknown — not stated by the source5 V
AC adapter output currentKnown for oneUnknown — not stated by the source3 A
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Weight & dimensions4 differ
WidthDiffers210.4 mm240 mm
DepthDiffers90.9 mm57 mm
HeightDiffers212.2 mm230 mm
WeightDiffers984 g1.04 kg
Package widthKnown for one244 mmUnknown — not stated by the source
Package depthKnown for one320 mmUnknown — not stated by the source
Package heightKnown for one90 mmUnknown — not stated by the source
Package weightKnown for one1.46 kgUnknown — not stated by the source
Packaging contentidentical
Cables includedKnown for oneLAN (RJ-45)Unknown — not stated by the source
Ethernet cableKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Number of handles included1 pc(s)1 pc(s)
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Technical detailsidentical
Warranty periodKnown for oneUnknown — not stated by the source1 year(s)

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