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Product comparison · 2 ip phones

Yealink SIP T42U vs Yealink W77P IP phone Black TFT

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  • 36specifications compared
  • 12differ
  • 24identical
  • 59known for one product only

Key differences

The Yealink W77P IP phone Black TFT has 1 more function keys than the Yealink SIP T42U (6 vs 5). The Yealink SIP T42U has 4 more programmable keys than the Yealink W77P IP phone Black TFT (6 vs 2). The Yealink SIP T42U has 1 more Ethernet LAN (RJ-45) ports than the Yealink W77P IP phone Black TFT (2 vs 1). Only the Yealink W77P IP phone Black TFT has integrated voicemail. Only the Yealink SIP T42U has Wi-Fi.

  • Product colour
    • Grey
    • Black
  • Integrated voicemail
    • No
    • Yes
  • Number of function keys
    • 5
    • 6
  • Number of programmable keys
    • 6
    • 2
  • Display
    • LCD
    • TFT
  • Display diagonal
    • 6.86 cm (2.7")
    • 4.57 cm (1.8")
  • Display resolution
    • 192 x 68 pixels
    • 128 x 160 pixels
  • Ethernet LAN interface type
    • Gigabit Ethernet
    • Fast Ethernet

Side by side

Differences highlightedShow differences only
95 specifications
A

Yealink

SIP T42UView product
B

Yealink

W77P IP phone Black TFT

Model W77P

View product
Design1 differ
Product colourDiffersGreyBlack
Backlight keypadKnown for oneYes
Protection featuresKnown for oneDust resistant, Scratch resistant, Shock resistant, Splash proof
Performanceidentical
DECT connectableKnown for oneYes
Maximum indoor rangeKnown for one50 m
Maximum outdoor rangeKnown for one300 m
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneSIP info
Hearing aid compatibilityKnown for oneYes
Phone featuresidentical
Answering machineKnown for oneYes
Simultaneous ringKnown for oneYes
Emergency callKnown for oneYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Vibrating alertKnown for oneYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
Number of VoIP accountsKnown for one12
Management features3 differ
Integrated voicemailDiffersNoYes
Keypad number of keysKnown for one25
Number of function keysDiffers56
Number of programmable keysDiffers62
Firmware upgradeableKnown for oneYes
Display3 differ
DisplayDiffersLCDTFT
Display diagonalDiffers6.86 cm (2.7")4.57 cm (1.8")
Display resolutionDiffers192 x 68 pixels128 x 160 pixels
Number of simultaneous touchpointsKnown for one20
Audioidentical
SpeakerphoneKnown for oneYes
Automatic gain controlKnown for oneYes
Comfort noise generation (CNG)Known for oneYes
Noise reductionKnown for oneYes
Number of melodiesKnown for one9
Network2 differ
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN interface typeDiffersGigabit EthernetFast Ethernet
Wi-FiDiffersYesNo
DHCP clientKnown for oneYes
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportKnown for oneYes
Security algorithmsKnown for one256-bit AES, HTTPS, TLS, WPA2, WPA3
Supported network protocolsKnown for oneIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers21
USB 2.0 ports quantityKnown for one2
RJ-9 ports quantityKnown for one2
Poweridentical
Power over Ethernet (PoE)Known for oneYes
AC adapter input voltageKnown for one100 - 240 V
Standby timeKnown for one575 h
Talk timeKnown for one40 h
Power consumption (typical)Known for one2.2 W
Enduranceidentical
International Protection (IP) codeKnown for oneIP54
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one1460 mAh
Battery voltageKnown for one3.7 V
Operational conditionsidentical
Storage relative humidity (H-H)Known for one-30 - 70%
Weight & dimensions1 differ
WeightKnown for one7.46 kg
Handset dimensions (WxDxH)Known for one157 x 51 x 24 mm
Base dimensions (WxDxH)Known for one130 x 100 x 25.1 mm
Package weightDiffers63 kg8.14 kg
WidthKnown for one212 mm
DepthKnown for one189 mm
HeightKnown for one175 mm
Package widthKnown for one627 mm
Package depthKnown for one256 mm
Package heightKnown for one235 mm
Packaging content1 differ
AC adapter includedDiffersNoYes
Base stationKnown for oneYes
ChargerKnown for oneYes
Ethernet cableKnown for oneYes
HandsetKnown for oneYes
ManualKnown for oneYes
Cameraidentical
Rear cameraKnown 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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