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Product comparison · 2 ip phones

HP Poly Edge E550 IP Phone and PoE-enabled vs Yealink-SIP-T77U

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  • 26specifications compared
  • 12differ
  • 14identical
  • 56known for one product only

Key differences

The Yealink-SIP-T77U has 1 more RJ-9 ports quantity than the HP Poly Edge E550 IP Phone and PoE-enabled (2 vs 1). The Yealink-SIP-T77U has 27 mm more package width than the HP Poly Edge E550 IP Phone and PoE-enabled (285 mm vs 258 mm). The HP Poly Edge E550 IP Phone and PoE-enabled has 53 mm more package depth than the Yealink-SIP-T77U (306 mm vs 253 mm). Only the Yealink-SIP-T77U has touchscreen. Handset type: Wired handset on the HP Poly Edge E550 IP Phone and PoE-enabled, Wired & Wireless handset on the Yealink-SIP-T77U.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Display
    • IPS
    • LCD
  • Display diagonal
    • 12.7 cm (5")
    • 17.8 cm (7")
  • Touchscreen
    • No
    • Yes
  • RJ-9 ports quantity
    • 1
    • 2
  • Operating temperature (T-T)
    • 0 - 40 °C
    • 10 - 45 °C
  • Storage temperature (T-T)
    • -40 - 70 °C
    • -30 - 70 °C
  • Package width
    • 258 mm
    • 285 mm

Side by side

Differences highlightedShow differences only
82 specifications
A

HP Poly

Edge E550 IP Phone and PoE-enabledView product
B

Yealink

Yealink-SIP-T77U

Model T77U

View product
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 IDYesYes
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
Lines quantityKnown for one12 lines
Management featuresidentical
Integrated voicemailKnown for oneYes
Volume controlKnown for oneButtons
Management platformKnown for oneYealink Device Management Platform
Display3 differ
DisplayDiffersIPSLCD
Display diagonalDiffers12.7 cm (5")17.8 cm (7")
Display resolution800 x 480 pixels800 x 480 pixels
TouchscreenDiffersNoYes
Backlight displayKnown for oneYes
Aspect ratioKnown for one5:3
Audio1 differ
SpeakerphoneYesYes
Microphone muteKnown for oneYes
Voice codecsDiffersG.711alaw, G.711ulaw, 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
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Quality of Service (QoS) supportKnown for oneYes
Security algorithmsDiffersWPA2-Enterprise, EAP-TLS, HTTPSWPA2, WPA3
SyslogKnown for oneYes
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.0
Near Field Communication (NFC)Known for oneYes
Ports & interfaces1 differ
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
USB Type-C ports quantity11
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
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 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 & dimensions3 differ
WidthKnown for one262.1 mm
DepthKnown for one167.5 mm
HeightKnown for one219.2 mm
Package widthDiffers258 mm285 mm
Package depthDiffers306 mm253 mm
Package heightDiffers89 mm104 mm
Package weightKnown for one300 g
Packaging contentidentical
Mounting kitKnown for oneYes
Ethernet cableKnown for oneYes
HandsetYesYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideKnown for oneYes
Cables includedKnown for oneLAN (RJ-45)
Technical detailsidentical
Total carbon footprint (kg of CO2e)Known for one40
Certificatesidentical
Sustainability certificatesKnown for oneENERGY STAR
Compliance certificatesKnown for oneEAC, RoHS, Federal Communications Commission (FCC), CE
Logistics dataidentical
Country of originKnown for oneChina
Pallet gross weightKnown for one357 kg
UNSPSC-codeKnown for one43191511

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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