Product comparison · 2 ip phones

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

43specifications compared
9differ
34identical
47known for one product only

Key differences

The Yealink T42S Skype for Business Edition has 60 x 64 pixels more display resolution than the Yealink T40G IP phone Black 3 lines LCD (192 x 64 pixels vs 132 x 64 pixels). The Yealink T42S Skype for Business Edition has 1 more RJ-9 ports quantity than the Yealink T40G IP phone Black 3 lines LCD (2 vs 1). The Yealink T42S Skype for Business Edition has 0.1 W more power consumption (typical) than the Yealink T40G IP phone Black 3 lines LCD (1.4 W vs 1.3 W). Product colour: Black on the Yealink 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 T40G IP phone Black 3 lines LCD, 6.86 cm (2.7") on the Yealink T42S Skype for Business Edition.

Product colour
- T40G IP phone Black 3 lines LCD:Black
- T42S Skype for Business Edition:Black, Silver
Display diagonal
- T40G IP phone Black 3 lines LCD:5.84 cm (2.3")
- T42S Skype for Business Edition:6.86 cm (2.7")
Display resolution
- T40G IP phone Black 3 lines LCD:132 x 64 pixels
- T42S Skype for Business Edition:192 x 64 pixels
RJ-9 ports quantity
- T40G IP phone Black 3 lines LCD:1
- T42S Skype for Business Edition:2
Power consumption (typical)
- T40G IP phone Black 3 lines LCD:1.3 W
- T42S Skype for Business Edition:1.4 W
Package depth
- T40G IP phone Black 3 lines LCD:120 mm
- T42S Skype for Business Edition:223 mm
Package height
- T40G IP phone Black 3 lines LCD:223 mm
- T42S Skype for Business Edition:120 mm

Side by side

Differences highlightedShow differences only

Comparison of T40G, T42S Skype for Business Edition
90 specifications	A Yealink T40G IP phone Black 3 lines LCD Model T40G View product	B Yealink T42S Skype for Business Edition View product
Design1 differ
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colourDiffers	Black	Black, Silver
Device lock	Yes	Yes
MountingKnown for one	Desk/Wall	Unknown — not stated by the source
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Data transfer rateKnown for one	Unknown — not stated by the source	1000 Mbit/s
Operating system installedKnown for one	Linux	Unknown — not stated by the source
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	In-band, Out-of band, SIP info	Unknown — not stated by the source
Phone featuresidentical
Call forwarding	Yes	Yes
Call historyKnown for one	Unknown — not stated by the source	Yes
Call hold	Yes	Yes
Call park	Yes	Yes
Call pick up	Yes	Yes
Call transfer	Yes	Yes
Call waiting	Yes	Yes
Caller ID	Yes	Yes
Full duplex	Yes	Yes
Message-waiting indicator (MWI)	Yes	Yes
Redialing	Yes	Yes
Lines quantityKnown for one	3 lines	Unknown — not stated by the source
Answering machineKnown for one	Yes	Unknown — not stated by the source
Anonymous callKnown for one	Yes	Unknown — not stated by the source
Anonymous call rejectionKnown for one	Yes	Unknown — not stated by the source
Call returnKnown for one	Yes	Unknown — not stated by the source
Conference callKnown for one	Yes	Unknown — not stated by the source
IntercomKnown for one	Yes	Unknown — not stated by the source
Number of VoIP accountsKnown for one	3	Unknown — not stated by the source
Phonebook capacityKnown for one	1000 entries	Unknown — not stated by the source
Phonebook sharingKnown for one	Yes	Unknown — not stated by the source
Short Message Service (SMS)Known for one	Yes	Unknown — not stated by the source
Speed diallingKnown for one	Yes	Unknown — not stated by the source
Management featuresidentical
Volume control	Digital	Digital
Edit user status on the phoneKnown for one	Unknown — not stated by the source	Yes
Display contacts list statusKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Display2 differ
Display	LCD	LCD
Display diagonalDiffers	5.84 cm (2.3")	6.86 cm (2.7")
Display resolutionDiffers	132 x 64 pixels	192 x 64 pixels
Display number of coloursKnown for one	Unknown — not stated by the source	Monochrome
Touchscreen	No	No
Backlight display	Yes	Yes
Backlight colourKnown for one	Red/Green	Unknown — not stated by the source
Cameraidentical
Front camera	No	No
Audio1 differ
Speakerphone	Yes	Yes
Comfort noise generation (CNG)Known for one	Unknown — not stated by the source	Yes
Packet loss concealment (PLC)Known for one	Unknown — not stated by the source	Yes
Voice codecsDiffers	G.722, OPUS	AJB, CNG, G.711, G.722, G.723, G.726, G.729A, G.729B, PLC, VAD, iLBC
Microphone muteKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
Bluetooth	No	No
DHCP clientKnown for one	Unknown — not stated by the source	Yes
Networking standardsDiffers	IEEE 802.1p, IEEE 802.3af	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) support	Yes	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	802.1x RADIUS, HTTPS
Supported network protocolsKnown for one	Unknown — not stated by the source	SIP v1 (RFC2543), v2 (RFC3261), IPv4/IPv6
SyslogKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces1 differ
Headset connectivityKnown for one	Unknown — not stated by the source	RJ-9
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) ports	2	2
Internet connection requiredKnown for one	Unknown — not stated by the source	Yes
RJ-9 ports quantityDiffers	1	2
Headphone outputsKnown for one	1	Unknown — not stated by the source
Certificatesidentical
SkypeKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power over Ethernet (PoE)	Yes	Yes
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output voltageKnown for one	Unknown — not stated by the source	5 V
AC adapter output currentKnown for one	Unknown — not stated by the source	1.2 A
Power consumption (typical)Differs	1.3 W	1.4 W
Energy saving modeKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)	10 - 95%	10 - 95%
Operating temperature (T-T)	-10 - 50 °C	-10 - 50 °C
Weight & dimensions2 differ
Width	212 mm	212 mm
Depth	189 mm	189 mm
Height	175 mm	175 mm
WeightKnown for one	Unknown — not stated by the source	6.4 kg
Package width	246 mm	246 mm
Package depthDiffers	120 mm	223 mm
Package heightDiffers	223 mm	120 mm
Package weightKnown for one	Unknown — not stated by the source	7 kg
Packaging contentidentical
Analog line cableKnown for one	Unknown — not stated by the source	Yes
Base stationKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	LAN (RJ-45)
Ethernet cableKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Number of handles included	1 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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