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Product comparison · 2 ip phones

Yealink T33P IP phone Grey 4 lines vs Yealink-SIP-T77U

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  • 48specifications compared
  • 17differ
  • 31identical
  • 38known for one product only

Key differences

The Yealink-SIP-T77U has 8 more VoIP accounts than the Yealink T33P IP phone Grey 4 lines (12 vs 4). The Yealink-SIP-T77U has 1 more RJ-9 ports quantity than the Yealink T33P IP phone Grey 4 lines (2 vs 1). The Yealink T33P IP phone Grey 4 lines has 5 - 95% more operating relative humidity (H-H) than the Yealink-SIP-T77U (10 - 95% vs 5 - 95%). Only the Yealink-SIP-T77U has touchscreen. Handset type: Wired handset on the Yealink T33P IP phone Grey 4 lines, Wired & Wireless handset on the Yealink-SIP-T77U.

  • Handset type
    • Wired handset
    • Wired & Wireless handset
  • Product colour
    • Grey
    • Black
  • Mounting
    • Desk/Wall
    • Desk
  • Number of VoIP accounts
    • 4
    • 12
  • Display diagonal
    • 6.1 cm (2.4")
    • 17.8 cm (7")
  • Display resolution
    • 320 x 240 pixels
    • 800 x 480 pixels
  • Touchscreen
    • No
    • Yes
  • Ethernet LAN data rates
    • 10,100 Mbit/s
    • 10,100,1000 Mbit/s

Side by side

Differences highlightedShow differences only
86 specifications
A

Yealink

T33P IP phone Grey 4 lines

Model T33P

View product
B

Yealink

Yealink-SIP-T77U

Model T77U

View product
Design3 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourDiffersGreyBlack
MountingDiffersDesk/WallDesk
Wall mountableKnown for oneYes
Backlight keypadKnown for oneYes
Performanceidentical
Operating system installedKnown for oneLinux
Phone features1 differ
Lines quantityKnown for one4 lines
Answering machineYesYes
Hot deskingKnown for oneYes
Anonymous callYesYes
Anonymous call rejectionKnown for oneYes
Call forwardingYesYes
Call historyYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnYesYes
Call transferKnown for oneYes
Call waitingYesYes
Caller IDYesYes
Customizable wallpaperYesYes
Direct callKnown for oneYes
Do not disturb functionKnown for oneYes
Emergency callYesYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
Number of VoIP accountsDiffers412
Phonebook capacity1000 entries1000 entries
RedialingYesYes
Short Message Service (SMS)Known for oneYes
Speed diallingYesYes
Conference callKnown for oneYes
IntercomKnown for oneYes
Phonebook sharingKnown for oneYes
Management featuresidentical
Integrated voicemailYesYes
Volume controlButtonsButtons
Number of function keysKnown for one5
Number of programmable keysKnown for one4
Management platformKnown for oneYealink Device Management Platform
Display3 differ
Display diagonalDiffers6.1 cm (2.4")17.8 cm (7")
Display resolutionDiffers320 x 240 pixels800 x 480 pixels
TouchscreenDiffersNoYes
Backlight displayYesYes
DisplayKnown for oneLCD
Audio1 differ
SpeakerphoneYesYes
Noise reductionKnown for oneYes
Voice codecsDiffersAGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBCG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
Microphone muteKnown for oneYes
Network3 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeDiffersFast EthernetGigabit Ethernet
Wi-FiKnown for oneNo
BluetoothKnown for oneNo
DHCP clientKnown for oneYes
Quality of Service (QoS) supportYesYes
Security algorithmsDiffersAES, HTTPSWPA2, WPA3
SyslogKnown for oneYes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
USB Type-C ports quantityKnown for one1
DC-in jackKnown for oneYes
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
Input frequencyKnown for one50/60 Hz
Power consumption (typical)Known for one3 W
Power consumption (Power over Ethernet (PoE))Known for one5 W
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one2 A
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%5 - 95%
Operating temperature (T-T)Differs-10 - 50 °C10 - 45 °C
Storage temperature (T-T)Known for one-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers212 mm262.1 mm
DepthDiffers186 mm167.5 mm
HeightDiffers146 mm219.2 mm
Package widthKnown for one285 mm
Package depthKnown for one253 mm
Package heightKnown for one104 mm
Packaging contentidentical
Base stationKnown for oneYes
Ethernet cableYesYes
HandsetYesYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideYesYes
Mounting kitKnown for oneYes

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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