Product comparison · 2 ip phones

AudioCodes SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black vs Yealink T42S Skype for Business Edition

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  • 49specifications compared
  • 25differ
  • 24identical
  • 37known for one product only

Key differences

  • Handset type
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Wired & Wireless handset
    • T42S Skype for Business Edition:Wired handset
  • Product colour
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Black
    • T42S Skype for Business Edition:Black, Silver
  • Volume control
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Buttons
    • T42S Skype for Business Edition:Digital
  • Display
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:TFT
    • T42S Skype for Business Edition:LCD
  • Display diagonal
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:12.7 cm (5")
    • T42S Skype for Business Edition:6.86 cm (2.7")
  • Display resolution
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:1280 x 720 pixels
    • T42S Skype for Business Edition:192 x 64 pixels
  • Touchscreen
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Yes
    • T42S Skype for Business Edition:No
  • Wi-Fi
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Yes
    • T42S Skype for Business Edition:No

Side by side

Differences highlightedShow differences only (off)
Comparison of C450HD, T42S Skype for Business Edition
86 specifications
Design2 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired & Wireless handsetWired handset
Product colourDiffersBlackBlack, Silver
Device lockKnown for oneUnknown — not stated by the sourceYes
Performanceidentical
Data transfer rateKnown for oneUnknown — not stated by the source1000 Mbit/s
Phone featuresidentical
Call forwardingYesYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
RedialingYesYes
Lines quantityKnown for one8 linesUnknown — not stated by the source
Answering machineKnown for oneYesUnknown — not stated by the source
Conference callKnown for oneYesUnknown — not stated by the source
Do not disturb functionKnown for oneYesUnknown — not stated by the source
Speed diallingKnown for oneYesUnknown — not stated by the source
Management features1 differ
Volume controlDiffersButtonsDigital
Edit user status on the phoneKnown for oneUnknown — not stated by the sourceYes
Display contacts list statusKnown for oneUnknown — not stated by the sourceYes
Plug and PlayKnown for oneUnknown — not stated by the sourceYes
Integrated voicemailKnown for oneYesUnknown — not stated by the source
Number of programmable keysKnown for one8Unknown — not stated by the source
Display4 differ
DisplayDiffersTFTLCD
Display diagonalDiffers12.7 cm (5")6.86 cm (2.7")
Display resolutionDiffers1280 x 720 pixels192 x 64 pixels
Display number of coloursKnown for oneUnknown — not stated by the sourceMonochrome
TouchscreenDiffersYesNo
Backlight displayKnown for oneUnknown — not stated by the sourceYes
Cameraidentical
Front cameraNoNo
Audio1 differ
SpeakerphoneYesYes
Comfort noise generation (CNG)Known for oneUnknown — not stated by the sourceYes
Packet loss concealment (PLC)YesYes
Voice codecsDiffersG.711Mu, G.711a, G.722, G.729A, G.729B, OPUSAJB, CNG, G.711, G.722, G.723, G.726, G.729A, G.729B, PLC, VAD, iLBC
Microphone muteKnown for oneYesUnknown — not stated by the source
Adaptive jitter buffersKnown for oneYesUnknown — not stated by the source
Echo cancellationKnown for oneYesUnknown — not stated by the source
Voice activity detectionKnown for oneYesUnknown — not stated by the source
Network5 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiDiffersYesNo
BluetoothDiffersYesNo
DHCP clientKnown for oneUnknown — not stated by the sourceYes
Networking standardsDiffersIEEE 802.1p, IEEE 802.1xIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, SRTP, SSL/TLS802.1x RADIUS, HTTPS
Supported network protocolsDiffersIPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, IP/DHCP IP, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN, LDAPSIP v1 (RFC2543), v2 (RFC3261), IPv4/IPv6
SyslogKnown for oneUnknown — not stated by the sourceYes
Ethernet LAN interface typeKnown for oneGigabit EthernetUnknown — not stated by the source
Ports & interfaces2 differ
Headset connectivityKnown for oneUnknown — not stated by the sourceRJ-9
USB 2.0 ports quantityDiffers21
DC-in jackYesYes
Ethernet LAN (RJ-45) ports22
Internet connection requiredKnown for oneUnknown — not stated by the sourceYes
RJ-9 ports quantityDiffers12
Certificatesidentical
SkypeKnown for oneUnknown — not stated by the sourceYes
CertificationKnown for oneFCC 15 B, ICES-003 B, EN55032 B, EN61000-3-2, EN61000-3-3, UL-60950-1, EN60950-1, IEC-60950-1 (CB), CE, cTUVus RCM, KC, Anatel, CCC, ICASA, EAC, IC, ACTA, VCCI, BSMIUnknown — not stated by the source
Power2 differ
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltageDiffers12 V5 V
AC adapter output currentDiffers1 A1.2 A
Power consumption (typical)Known for oneUnknown — not stated by the source1.4 W
Operational conditions1 differ
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 95%
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage temperature (T-T)Known for one-20 - 70 °CUnknown — not stated by the source
Weight & dimensions7 differ
WidthDiffers234 mm212 mm
DepthDiffers190 mm189 mm
HeightKnown for oneUnknown — not stated by the source175 mm
WeightDiffers1.28 kg6.4 kg
Package widthDiffers275 mm246 mm
Package depthDiffers245 mm223 mm
Package heightDiffers110 mm120 mm
Package weightDiffers1.72 kg7 kg
Height (max)Known for one19.5 cmUnknown — not stated by the source
Height (min)Known for one17 cmUnknown — not stated by the source
Packaging contentidentical
Analog line cableKnown for oneUnknown — not stated by the sourceYes
Base stationKnown for oneUnknown — not stated by the sourceYes
Cables includedLAN (RJ-45)LAN (RJ-45)
Ethernet cableKnown for oneUnknown — not stated by the sourceYes
ManualYesYes
Number of handles included1 pc(s)1 pc(s)
AC adapter includedKnown for oneYesUnknown — not stated by the source

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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