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Product comparison · 2 ip phones

NEC SL2100 IP phone Black LCD vs Yealink T42S Skype for Business Edition

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  • 21specifications compared
  • 4differ
  • 17identical
  • 52known for one product only

Key differences

  • Product colour
    • Black
    • Black, Silver
  • Display resolution
    • 168 x 128 pixels
    • 192 x 64 pixels

Side by side

Differences highlightedShow differences only
73 specifications
A

NEC

SL2100 IP phone Black LCD

Model SL2100

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
Performanceidentical
Data transfer rateKnown for one1000 Mbit/s
Phone featuresidentical
Call forwardingKnown for oneYes
Call historyYesYes
Call holdYesYes
Call parkKnown for oneYes
Call pick upKnown for oneYes
Call transferYesYes
Call waitingKnown for oneYes
Caller IDYesYes
Full duplexYesYes
Message-waiting indicator (MWI)Known for oneYes
RedialingKnown for oneYes
Management featuresidentical
Volume controlKnown for oneDigital
Edit user status on the phoneKnown for oneYes
Display contacts list statusKnown for oneYes
Plug and PlayKnown for oneYes
Number of programmable keysKnown for one8
Display1 differ
DisplayLCDLCD
Display diagonalKnown for one6.86 cm (2.7")
Display resolutionDiffers168 x 128 pixels192 x 64 pixels
Display number of coloursKnown for oneMonochrome
TouchscreenNoNo
Backlight displayKnown for oneYes
Cameraidentical
Front cameraNoNo
Audio1 differ
SpeakerphoneYesYes
Comfort noise generation (CNG)Known for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice codecsDiffersG.711, G.729AAJB, CNG, G.711, G.722, G.723, G.726, G.729A, G.729B, PLC, VAD, iLBC
Network1 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) supportKnown for oneYes
Security algorithmsKnown for one802.1x RADIUS, HTTPS
Supported network protocolsKnown for oneSIP 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 jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
Internet connection requiredKnown for oneYes
RJ-9 ports quantityKnown for one2
Headphone outputsKnown for one1
Certificatesidentical
SkypeKnown for oneYes
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one1.2 A
Power consumption (typical)Known for one1.4 W
Operational conditionsidentical
Operating relative humidity (H-H)Known for one10 - 95%
Operating temperature (T-T)Known for one-10 - 50 °C
Weight & dimensionsidentical
WidthKnown for one212 mm
DepthKnown for one189 mm
HeightKnown for one175 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.

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