Product comparison · 2 ip phones

Yealink-SIP-T77U vs Yealink-SIP-T85W

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  • 65specifications compared
  • 6differ
  • 59identical
  • 6known for one product only

Key differences

  • Number of VoIP accounts
    • Yealink-SIP-T77U:12
    • Yealink-SIP-T85W:16
  • Display diagonal
    • Yealink-SIP-T77U:17.8 cm (7")
    • Yealink-SIP-T85W:14 cm (5.5")
  • Display resolution
    • Yealink-SIP-T77U:800 x 480 pixels
    • Yealink-SIP-T85W:960 x 480 pixels
  • Width
    • Yealink-SIP-T77U:262.1 mm
    • Yealink-SIP-T85W:258.7 mm
  • Depth
    • Yealink-SIP-T77U:167.5 mm
    • Yealink-SIP-T85W:176.3 mm
  • Height
    • Yealink-SIP-T77U:219.2 mm
    • Yealink-SIP-T85W:224.4 mm

Side by side

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Comparison of T77U, T85W
71 specifications
Designidentical
Product typeIP PhoneIP Phone
Handset typeWired & Wireless handsetWired & Wireless handset
Product colourBlackBlack
Backlight keypadYesYes
MountingDeskDesk
Phone features1 differ
Answering machineYesYes
Anonymous callYesYes
Call forwardingYesYes
Call historyYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnYesYes
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Customizable wallpaperYesYes
Emergency callYesYes
Full duplexYesYes
IntercomYesYes
Message-waiting indicator (MWI)YesYes
Number of VoIP accountsDiffers1216
Phonebook capacity1000 entries1000 entries
Phonebook sharingYesYes
RedialingYesYes
Speed diallingYesYes
Management featuresidentical
Integrated voicemailYesYes
Volume controlButtonsButtons
Management platformYealink Device Management PlatformYealink Device Management Platform
Display2 differ
DisplayLCDLCD
Display diagonalDiffers17.8 cm (7")14 cm (5.5")
Display resolutionDiffers800 x 480 pixels960 x 480 pixels
TouchscreenKnown for oneYesUnknown — not stated by the source
Backlight displayKnown for oneYesUnknown — not stated by the source
Audioidentical
SpeakerphoneYesYes
Microphone muteYesYes
Voice codecsG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729abG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.0
Quality of Service (QoS) supportYesYes
Security algorithmsWPA2, WPA3WPA2, WPA3
SyslogYesYes
Ports & interfacesidentical
Headset connectivityRJ-9RJ-9
USB 2.0 ports quantity11
USB Type-C ports quantity11
DC-in jackYesYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity22
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltage5 V5 V
AC adapter output current2 A2 A
Operational conditionsidentical
Operating relative humidity (H-H)5 - 95%5 - 95%
Operating temperature (T-T)10 - 45 °C10 - 45 °C
Storage temperature (T-T)-30 - 70 °C-30 - 70 °C
Weight & dimensions3 differ
WidthDiffers262.1 mm258.7 mm
DepthDiffers167.5 mm176.3 mm
HeightDiffers219.2 mm224.4 mm
Package width285 mm285 mm
Package depth253 mm253 mm
Package height104 mm104 mm
Packaging contentidentical
Mounting kitYesYes
Ethernet cableYesYes
HandsetYesYes
Number of handles included1 pc(s)1 pc(s)
Quick start guideYesYes

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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