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Product comparison · 2 ip phones

Yealink SIP T42U vs Yealink-SIP-T88W

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  • 38specifications compared
  • 16differ
  • 22identical
  • 46known for one product only

Key differences

The Yealink SIP T42U has 1 more USB 2.0 ports quantity than the Yealink-SIP-T88W (2 vs 1). The Yealink SIP T42U has 5 - 95% more operating relative humidity (H-H) than the Yealink-SIP-T88W (10 - 95% vs 5 - 95%). The Yealink-SIP-T88W has 50.1 mm more width than the Yealink SIP T42U (262.1 mm vs 212 mm). Only the Yealink-SIP-T88W has integrated voicemail. Handset type: Wireless handset on the Yealink SIP T42U, Wired & Wireless handset on the Yealink-SIP-T88W.

  • Handset type
    • Wireless handset
    • Wired & Wireless handset
  • Product colour
    • Grey
    • Black
  • Mounting
    • Desk/Wall
    • Desk
  • Integrated voicemail
    • No
    • Yes
  • Display diagonal
    • 6.86 cm (2.7")
    • 17.8 cm (7")
  • Display resolution
    • 192 x 68 pixels
    • 800 x 480 pixels
  • USB 2.0 ports quantity
    • 2
    • 1
  • Operating relative humidity (H-H)
    • 10 - 95%
    • 5 - 95%

Side by side

Differences highlightedShow differences only
84 specifications
A

Yealink

SIP T42UView product
B

Yealink

Yealink-SIP-T88W

Model T88W

View product
Design3 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWireless handsetWired & Wireless handset
Product colourDiffersGreyBlack
Backlight keypadKnown for oneYes
MountingDiffersDesk/WallDesk
Device lockKnown for oneYes
Wall mountableKnown for oneYes
Phone featuresidentical
Answering machineKnown for oneYes
Anonymous callYesYes
Call forwardingYesYes
Call historyYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call returnKnown for oneYes
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Customizable wallpaperKnown for oneYes
Emergency callKnown for oneYes
Full duplexYesYes
IntercomKnown for oneYes
Message-waiting indicator (MWI)Known for oneYes
Number of VoIP accounts1212
Phonebook capacity1000 entries1000 entries
Phonebook sharingKnown for oneYes
RedialingYesYes
Speed diallingYesYes
Anonymous call rejectionKnown for oneYes
Call transferKnown for oneYes
Direct callKnown for oneYes
Distinctive ringKnown for oneYes
Do not disturb functionKnown for oneYes
Management features1 differ
Integrated voicemailDiffersNoYes
Volume controlKnown for oneButtons
Management platformKnown for oneYealink Device Management Platform
Number of function keysKnown for one5
Number of programmable keysKnown for one6
Display2 differ
DisplayLCDLCD
Display diagonalDiffers6.86 cm (2.7")17.8 cm (7")
Display resolutionDiffers192 x 68 pixels800 x 480 pixels
TouchscreenKnown for oneYes
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 LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers256-bit AES, HTTPS, TLS, WPA2, WPA3WPA2, WPA3
SyslogKnown for oneYes
Wi-FiKnown for oneYes
BluetoothKnown for oneYes
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
Supported network protocolsKnown for oneIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)
Ports & interfaces1 differ
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityDiffers21
USB Type-C ports quantityKnown for one1
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantity22
Poweridentical
Power over Ethernet (PoE)Known for oneYes
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one2 A
Power consumption (typical)Known for one2.2 W
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 & dimensions6 differ
WidthDiffers212 mm262.1 mm
DepthDiffers189 mm167.5 mm
HeightDiffers175 mm219.2 mm
Package widthDiffers627 mm285 mm
Package depthDiffers256 mm253 mm
Package heightDiffers235 mm104 mm
Package weightKnown for one63 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
AC adapter includedKnown for oneNo
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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