Product comparison · 2 ip phones

Yealink SIP T42U vs Yealink SIP-W57R IP phone Black 2 lines TFT

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  • 27specifications compared
  • 10differ
  • 17identical
  • 62known for one product only

Key differences

The Yealink SIP T42U has 900 entries more phonebook capacity than the Yealink SIP-W57R IP phone Black 2 lines TFT (1000 entries vs 100 entries). Only the Yealink SIP-W57R IP phone Black 2 lines TFT has integrated voicemail. Only the Yealink SIP T42U has Ethernet LAN. Product colour: Grey on the Yealink SIP T42U, Black on the Yealink SIP-W57R IP phone Black 2 lines TFT. Mounting: Desk/Wall on the Yealink SIP T42U, Desk on the Yealink SIP-W57R IP phone Black 2 lines TFT.

  • Product colour
    • SIP T42U:Grey
    • SIP-W57R IP phone Black 2 lines TFT:Black
  • Mounting
    • SIP T42U:Desk/Wall
    • SIP-W57R IP phone Black 2 lines TFT:Desk
  • Phonebook capacity
    • SIP T42U:1000 entries
    • SIP-W57R IP phone Black 2 lines TFT:100 entries
  • Integrated voicemail
    • SIP T42U:No
    • SIP-W57R IP phone Black 2 lines TFT:Yes
  • Display
    • SIP T42U:LCD
    • SIP-W57R IP phone Black 2 lines TFT:TFT
  • Display diagonal
    • SIP T42U:6.86 cm (2.7")
    • SIP-W57R IP phone Black 2 lines TFT:4.57 cm (1.8")
  • Display resolution
    • SIP T42U:192 x 68 pixels
    • SIP-W57R IP phone Black 2 lines TFT:128 x 160 pixels
  • Ethernet LAN
    • SIP T42U:Yes
    • SIP-W57R IP phone Black 2 lines TFT:No

Side by side

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Comparison of SIP T42U, SIP-W57R
89 specifications
Design2 differ
Product typeIP PhoneIP Phone
Handset typeWireless handsetWireless handset
Product colourDiffersGreyBlack
Backlight keypadKnown for oneUnknown — not stated by the sourceYes
Device lockYesYes
MountingDiffersDesk/WallDesk
Protection featuresKnown for oneUnknown — not stated by the sourceDust resistant, Scratch resistant
Wall mountableKnown for oneYesUnknown — not stated by the source
Performanceidentical
DECT connectableKnown for oneUnknown — not stated by the sourceYes
Maximum indoor rangeKnown for oneUnknown — not stated by the source50 m
Maximum outdoor rangeKnown for oneUnknown — not stated by the source300 m
Phone features1 differ
Lines quantityKnown for oneUnknown — not stated by the source2 lines
Answering machineKnown for oneUnknown — not stated by the sourceYes
Anonymous callYesYes
Anonymous call rejectionYesYes
Call forwardingYesYes
Call holdYesYes
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Do not disturb functionYesYes
Full duplexYesYes
IntercomKnown for oneUnknown — not stated by the sourceYes
Phonebook capacityDiffers1000 entries100 entries
RedialingYesYes
Speed diallingYesYes
Vibrating alertKnown for oneUnknown — not stated by the sourceYes
Call historyKnown for oneYesUnknown — not stated by the source
Call parkKnown for oneYesUnknown — not stated by the source
Call pick upKnown for oneYesUnknown — not stated by the source
Call transferKnown for oneYesUnknown — not stated by the source
Direct callKnown for oneYesUnknown — not stated by the source
Distinctive ringKnown for oneYesUnknown — not stated by the source
Number of VoIP accountsKnown for one12Unknown — not stated by the source
Management features1 differ
Integrated voicemailDiffersNoYes
Keypad number of keysKnown for oneUnknown — not stated by the source25
Number of function keysKnown for one5Unknown — not stated by the source
Number of programmable keysKnown for one6Unknown — not stated by the source
Display3 differ
DisplayDiffersLCDTFT
Display diagonalDiffers6.86 cm (2.7")4.57 cm (1.8")
Display resolutionDiffers192 x 68 pixels128 x 160 pixels
TouchscreenKnown for oneUnknown — not stated by the sourceNo
Audioidentical
SpeakerphoneKnown for oneUnknown — not stated by the sourceYes
Microphone muteKnown for oneUnknown — not stated by the sourceYes
Frequency rangeKnown for oneUnknown — not stated by the source100 - 7000 Hz
Noise reductionKnown for oneUnknown — not stated by the sourceYes
Number of melodiesKnown for oneUnknown — not stated by the source9
Network3 differ
Ethernet LANDiffersYesNo
Wi-FiDiffersYesNo
BluetoothDiffersYesNo
Ethernet LAN interface typeKnown for oneGigabit EthernetUnknown — not stated by the source
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3afUnknown — not stated by the source
Quality of Service (QoS) supportKnown for oneYesUnknown — not stated by the source
Security algorithmsKnown for one256-bit AES, HTTPS, TLS, WPA2, WPA3Unknown — not stated by the source
Supported network protocolsKnown for oneIPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263)Unknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)Known for oneUnknown — not stated by the sourceNo
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Input frequencyKnown for oneUnknown — not stated by the source50/60 Hz
Input currentKnown for oneUnknown — not stated by the source0.2 A
AC adapter output voltageKnown for oneUnknown — not stated by the source5 V
AC adapter output currentKnown for oneUnknown — not stated by the source0.6 A
Standby timeKnown for oneUnknown — not stated by the source575 h
Talk timeKnown for oneUnknown — not stated by the source40 h
Power consumption (typical)Known for one2.2 WUnknown — not stated by the source
Enduranceidentical
International Protection (IP) codeKnown for oneUnknown — not stated by the sourceIP54
Batteryidentical
Battery technologyKnown for oneUnknown — not stated by the sourceLithium-Ion (Li-Ion)
Battery capacityKnown for oneUnknown — not stated by the source1460 mAh
Battery voltageKnown for oneUnknown — not stated by the source3.7 V
Operational conditionsidentical
Operating relative humidity (H-H)10 - 95%10 - 95%
Operating temperature (T-T)-10 - 50 °C-10 - 50 °C
Storage temperature (T-T)Known for oneUnknown — not stated by the source-30 - 70 °C
Weight & dimensionsidentical
Handset dimensions (WxDxH)Known for oneUnknown — not stated by the source51 x 24 x 157 mm
Handset weightKnown for oneUnknown — not stated by the source183 g
WidthKnown for one212 mmUnknown — not stated by the source
DepthKnown for one189 mmUnknown — not stated by the source
HeightKnown for one175 mmUnknown — not stated by the source
Package widthKnown for one627 mmUnknown — not stated by the source
Package depthKnown for one256 mmUnknown — not stated by the source
Package heightKnown for one235 mmUnknown — not stated by the source
Package weightKnown for one63 kgUnknown — not stated by the source
Packaging contentidentical
Base stationKnown for oneUnknown — not stated by the sourceYes
ChargerKnown for oneUnknown — not stated by the sourceYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Number of handles included1 pc(s)1 pc(s)
AC adapter includedKnown for oneNoUnknown — not stated by the source
Cameraidentical
Rear cameraKnown for oneYesUnknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one2Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one2Unknown — not stated by the source
RJ-9 ports quantityKnown for one2Unknown — not stated by the source

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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