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 colourDiffers	Black	Black, Silver
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 historyKnown for one	Unknown — not stated by the source	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
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 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
Backlight colourKnown for one	Red/Green	Unknown — not stated by the source
Audio1 differ
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
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
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
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
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
Weight & dimensions2 differ
WeightKnown for one	Unknown — not stated by the source	6.4 kg
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

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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