NEC SL2100 IP phone Black LCD vs Yealink T46S-Skype for Business Edition

Comparison of SL2100, T46S-Skype for Business Edition

60 specifications	A NEC SL2100 IP phone Black LCD Model SL2100 View product	B Yealink T46S-Skype for Business EditionView product
Designidentical
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colour	Black	Black
Device lockKnown for one	—Unknown — not stated by the source	Yes
Mounting	Desk/Wall	Desk/Wall
Wall mountableKnown for one	—Unknown — not stated by the source	Yes
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	—Unknown — not stated by the source	In-band, Out-of band, SIP info
Phone featuresidentical
Call forwardingKnown for one	—Unknown — not stated by the source	Yes
Call history	Yes	Yes
Call hold	Yes	Yes
Call parkKnown for one	—Unknown — not stated by the source	Yes
Call pick upKnown for one	—Unknown — not stated by the source	Yes
Call transfer	Yes	Yes
Call waitingKnown for one	—Unknown — not stated by the source	Yes
Caller ID	Yes	Yes
Do not disturb functionKnown for one	—Unknown — not stated by the source	Yes
Full duplex	Yes	Yes
Message-waiting indicator (MWI)Known for one	—Unknown — not stated by the source	Yes
RedialingKnown for one	—Unknown — not stated by the source	Yes
Management featuresidentical
Integrated voicemailKnown for one	—Unknown — not stated by the source	Yes
Volume controlKnown for one	—Unknown — not stated by the source	Digital
Number of programmable keysKnown for one	8	—Unknown — not stated by the source
Display1 differ
Display diagonalKnown for one	—Unknown — not stated by the source	10.9 cm (4.3")
Display resolutionDiffers	168 x 128 pixels	480 x 272 pixels
Touchscreen	No	No
Backlight displayKnown for one	—Unknown — not stated by the source	Yes
DisplayKnown for one	LCD	—Unknown — not stated by the source
Cameraidentical
Front camera	No	No
Audio1 differ
Speakerphone	Yes	Yes
Automatic gain controlKnown for one	—Unknown — not stated by the source	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.711, G.729A	G.711Mu, G.711a, G.722, G.723, G.726, G.729ab, VAD, iLBC
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN interface type	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi	No	No
Bluetooth	No	No
Networking standardsDiffers	IEEE 802.3af	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportKnown for one	—Unknown — not stated by the source	Yes
Security algorithmsKnown for one	—Unknown — not stated by the source	HTTPS, MD5, SRTP
Supported network protocolsKnown for one	—Unknown — not stated by the source	SIP v1 (RFC2543), v2 (RFC3261), LLDP-MED VLAN, IPv4/IPv6, UDP/TCP/DNS-SRV (RFC 3263)
Ports & interfacesidentical
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
Expansion module supportKnown for one	—Unknown — not stated by the source	Yes
RJ-9 ports quantityKnown for one	—Unknown — not stated by the source	2
Headphone outputsKnown for one	1	—Unknown — not stated by the source
Certificatesidentical
SkypeKnown for one	—Unknown — not stated by the source	Yes
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
AC adapter input voltageKnown for one	—Unknown — not stated by the source	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	2 A
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 95%
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-10 - 50 °C
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	244 mm
DepthKnown for one	—Unknown — not stated by the source	213 mm
HeightKnown for one	—Unknown — not stated by the source	185 mm
Packaging contentidentical
Cables includedKnown for one	—Unknown — not stated by the source	LAN (RJ-45)
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.