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Product comparison · 2 ip phones

HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled vs Yealink-SIP-T77U

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  • 10specifications compared
  • 6differ
  • 4identical
  • 60known for one product only

Key differences

The Yealink-SIP-T77U has 30 mm more package width than the HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled (285 mm vs 255 mm). The HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled has 242 mm more package depth than the Yealink-SIP-T77U (495 mm vs 253 mm). The HP Poly OBi VVX 150 2-Line IP Phone and PoE-enabled has 189 mm more package height than the Yealink-SIP-T77U (293 mm vs 104 mm). Only the Yealink-SIP-T77U has touchscreen. Only the Yealink-SIP-T77U has Ethernet LAN.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Touchscreen
    • No
    • Yes
  • Ethernet LAN
    • No
    • Yes
  • Package width
    • 255 mm
    • 285 mm
  • Package depth
    • 495 mm
    • 253 mm
  • Package height
    • 293 mm
    • 104 mm

Side by side

Differences highlightedShow differences only
70 specifications
A

HP Poly

OBi VVX 150 2-Line IP Phone and PoE-enabled

Model 911N3AA

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B

Yealink

Yealink-SIP-T77U

Model T77U

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Design1 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourBlackBlack
Backlight keypadKnown for oneYes
MountingKnown for oneDesk
Phone featuresidentical
Answering machineKnown for oneYes
Anonymous callKnown for oneYes
Call forwardingKnown for oneYes
Call historyKnown for oneYes
Call holdKnown for oneYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call returnKnown for oneYes
Call waitingKnown for oneYes
Caller IDKnown for oneYes
Conference callKnown for oneYes
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 one12
Phonebook capacityKnown for one1000 entries
Phonebook sharingKnown for oneYes
RedialingKnown for oneYes
Speed diallingKnown for oneYes
Management featuresidentical
Integrated voicemailKnown for oneYes
Volume controlKnown for oneButtons
Management platformKnown for oneYealink Device Management Platform
Display1 differ
DisplayKnown for oneLCD
Display diagonalKnown for one17.8 cm (7")
Display resolutionKnown for one800 x 480 pixels
TouchscreenDiffersNoYes
Backlight displayKnown for oneYes
Audioidentical
SpeakerphoneKnown for oneYes
Microphone muteKnown for oneYes
Voice codecsKnown for oneG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
Network1 differ
Ethernet LANDiffersNoYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ethernet LAN interface typeKnown for oneGigabit Ethernet
Quality of Service (QoS) supportKnown for oneYes
Security algorithmsKnown for oneWPA2, WPA3
SyslogKnown for oneYes
Wi-FiKnown for oneNo
BluetoothKnown for oneNo
Ports & interfacesidentical
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
USB Type-C ports quantityKnown for one1
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) portsKnown for one2
RJ-9 ports quantityKnown for one2
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one2 A
Operational conditionsidentical
Operating relative humidity (H-H)Known for one5 - 95%
Operating temperature (T-T)Known for one10 - 45 °C
Storage temperature (T-T)Known for one-30 - 70 °C
Weight & dimensions3 differ
WidthKnown for one262.1 mm
DepthKnown for one167.5 mm
HeightKnown for one219.2 mm
Package widthDiffers255 mm285 mm
Package depthDiffers495 mm253 mm
Package heightDiffers293 mm104 mm
Package weightKnown for one11.5 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

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