All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 ip phones

Yealink SIP-T40G IP phone Black 3 lines LCD vs Yealink T42S Skype for Business Edition

Add a product
  • 42specifications compared
  • 12differ
  • 30identical
  • 44known for one product only

Key differences

The Yealink T42S Skype for Business Edition has 60 x 64 pixels more display resolution than the Yealink SIP-T40G IP phone Black 3 lines LCD (192 x 64 pixels vs 132 x 64 pixels). The Yealink T42S Skype for Business Edition has 0.6 A more AC adapter output current than the Yealink SIP-T40G IP phone Black 3 lines LCD (1.2 A vs 0.6 A). The Yealink SIP-T40G IP phone Black 3 lines LCD has 0.2 W more power consumption (typical) than the Yealink T42S Skype for Business Edition (1.6 W vs 1.4 W). Product colour: Black on the Yealink SIP-T40G IP phone Black 3 lines LCD, Black, Silver on the Yealink T42S Skype for Business Edition. Display diagonal: 5.84 cm (2.3") on the Yealink SIP-T40G IP phone Black 3 lines LCD, 6.86 cm (2.7") on the Yealink T42S Skype for Business Edition.

  • Product colour
    • Black
    • Black, Silver
  • Display diagonal
    • 5.84 cm (2.3")
    • 6.86 cm (2.7")
  • Display resolution
    • 132 x 64 pixels
    • 192 x 64 pixels
  • Security algorithms
    • AES, HTTPS, SSL/TLS
    • 802.1x RADIUS, HTTPS
  • AC adapter output current
    • 0.6 A
    • 1.2 A
  • Power consumption (typical)
    • 1.6 W
    • 1.4 W
  • Operating relative humidity (H-H)
    • 10 - 90%
    • 10 - 95%
  • Depth
    • 175 mm
    • 189 mm

Side by side

Differences highlightedShow differences only
86 specifications
A

Yealink

SIP-T40G IP phone Black 3 lines LCD

Model SIP-T40G

View product
B

Yealink

T42S Skype for Business EditionView product
Design1 differ
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourDiffersBlackBlack, Silver
Device lockKnown for oneYes
MountingKnown for oneDesk/Wall
Wall mountableKnown for oneYes
Performanceidentical
Data transfer rateKnown for one1000 Mbit/s
Phone featuresidentical
Call forwardingYesYes
Call historyKnown for oneYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call transferYesYes
Call waitingKnown for oneYes
Caller IDYesYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
RedialingYesYes
Lines quantityKnown for one3 lines
Anonymous callKnown for oneYes
Anonymous call rejectionKnown for oneYes
Call returnKnown for oneYes
Conference callKnown for oneYes
IntercomKnown for oneYes
Number of VoIP accountsKnown for one3
Phonebook capacityKnown for one1000 entries
Short Message Service (SMS)Known for oneYes
Speed diallingKnown for oneYes
Management featuresidentical
Volume controlDigitalDigital
Edit user status on the phoneKnown for oneYes
Display contacts list statusKnown for oneYes
Plug and PlayKnown for oneYes
Integrated voicemailKnown for oneYes
Display2 differ
DisplayLCDLCD
Display diagonalDiffers5.84 cm (2.3")6.86 cm (2.7")
Display resolutionDiffers132 x 64 pixels192 x 64 pixels
Display number of coloursKnown for oneMonochrome
TouchscreenNoNo
Backlight displayYesYes
Cameraidentical
Front cameraNoNo
Audio1 differ
SpeakerphoneYesYes
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice codecsDiffersG.711, G.711a, G.711u, G.722, G.726, G.729abAJB, CNG, G.711, G.722, G.723, G.726, G.729A, G.729B, PLC, VAD, iLBC
Microphone muteKnown for oneYes
Network3 differ
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiNoNo
BluetoothNoNo
DHCP clientKnown for oneYes
Networking standardsDiffersIEEE 802.3afIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportYesYes
Security algorithmsDiffersAES, HTTPS, SSL/TLS802.1x RADIUS, HTTPS
Supported network protocolsDiffersFTP, TFTP, HTTP, HTTPSSIP v1 (RFC2543), v2 (RFC3261), IPv4/IPv6
SyslogKnown for oneYes
Ethernet LAN interface typeKnown for oneGigabit Ethernet
Ports & interfacesidentical
Headset connectivityKnown for oneRJ-9
USB 2.0 ports quantityKnown for one1
DC-in jackYesYes
Ethernet LAN (RJ-45) ports22
Internet connection requiredKnown for oneYes
RJ-9 ports quantity22
RJ-11 ports quantityKnown for one1
Certificatesidentical
SkypeKnown for oneYes
CertificationKnown for oneCE, FCC, ISO 9001
Power2 differ
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltage5 V5 V
AC adapter output currentDiffers0.6 A1.2 A
Power consumption (typical)Differs1.6 W1.4 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 90%10 - 95%
Operating temperature (T-T)-10 - 50 °C-10 - 50 °C
Weight & dimensions2 differ
Width212 mm212 mm
DepthDiffers175 mm189 mm
HeightDiffers54 mm175 mm
WeightKnown for one6.4 kg
Package widthKnown for one246 mm
Package depthKnown for one223 mm
Package heightKnown for one120 mm
Package weightKnown for one7 kg
Packaging contentidentical
Analog line cableKnown for oneYes
Base stationKnown for oneYes
Cables includedKnown for oneLAN (RJ-45)
Ethernet cableKnown for oneYes
ManualKnown for oneYes
Number of handles included1 pc(s)1 pc(s)

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.

More ip phone comparisons

All ip phone comparisons