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 T56A-Skype for Business

Add a product
  • 40specifications compared
  • 14differ
  • 26identical
  • 49known 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
    • T56A-Skype for Business:Wired handset
  • Volume control
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:Buttons
    • T56A-Skype for Business:Yes
  • 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")
    • T56A-Skype for Business:17.8 cm (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
    • T56A-Skype for Business:1024 x 600 pixels
  • USB 2.0 ports quantity
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:2
    • T56A-Skype for Business:1
  • RJ-9 ports quantity
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:1
    • T56A-Skype for Business:2
  • AC adapter output voltage
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:12 V
    • T56A-Skype for Business:5 V
  • AC adapter output current
    • SFB C450HD IP-Phone PoE GbE with integrated BT, Dual Band Wi-Fi and an external power supply black:1 A
    • T56A-Skype for Business:2 A

Side by side

Differences highlightedShow differences only (on)
Comparison of C450HD, T56A-Skype for Business
89 specifications
Design1 differ
Handset typeDiffersWired & Wireless handsetWired handset
Device lockKnown for oneUnknown — not stated by the sourceYes
MountingKnown for oneUnknown — not stated by the sourceDesk/Wall
Phone featuresidentical
Lines quantityKnown for one8 linesUnknown — not stated by the source
Answering machineKnown for oneYesUnknown — not stated by the source
Call pick upKnown 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
Common area phone (CAP)Known for oneUnknown — not stated by the sourceYes
Hot deskingKnown for oneUnknown — not stated by the sourceYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
IntercomKnown for oneUnknown — not stated by the sourceYes
Management features1 differ
Volume controlDiffersButtonsYes
Number of programmable keysKnown for one8Unknown — not stated by the source
Display2 differ
DisplayKnown for oneTFTUnknown — not stated by the source
Display diagonalDiffers12.7 cm (5")17.8 cm (7")
Display resolutionDiffers1280 x 720 pixels1024 x 600 pixels
Touchscreen typeKnown for oneUnknown — not stated by the sourceCapacitive
Cameraidentical
Rear cameraKnown for oneUnknown — not stated by the sourceNo
Audio1 differ
SpeakerphoneKnown 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
Packet loss concealment (PLC)Known for oneYesUnknown — not stated by the source
Voice activity detectionKnown for oneYesUnknown — not stated by the source
Voice codecsDiffersG.711Mu, G.711a, G.722, G.729A, G.729B, OPUSAGC, AJB, CNG, G.711a, G.722, G.723.1, G.726, G.729A, G.729B, PLC, Silk, VAD
Network1 differ
Wi-FiKnown for oneYesUnknown — not stated by the source
BluetoothKnown for oneYesUnknown — not stated by the source
Networking standardsDiffersIEEE 802.1p, IEEE 802.1xIEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3u
Security algorithmsKnown for one802.1x RADIUS, HTTPS, SRTP, SSL/TLSUnknown — not stated by the source
Supported network protocolsKnown for oneIPv4, 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, LDAPUnknown — not stated by the source
DHCP clientKnown for oneUnknown — not stated by the sourceYes
SyslogKnown for oneUnknown — not stated by the sourceYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers21
DC-in jackKnown for oneYesUnknown — not stated by the source
RJ-9 ports quantityDiffers12
Headset connectivityKnown for oneUnknown — not stated by the sourceRJ-9
Certificates1 differ
CertificationDiffersFCC 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, BSMIFCC
Compliance certificatesKnown for oneUnknown — not stated by the sourceCE
SkypeKnown for oneUnknown — not stated by the sourceYes
Sustainability complianceKnown for oneUnknown — not stated by the sourceYes
Power2 differ
AC adapter output voltageDiffers12 V5 V
AC adapter output currentDiffers1 A2 A
Power consumption (typical)Known for oneUnknown — not stated by the source4.5 W
Power consumption (Power over Ethernet (PoE))Known for oneUnknown — not stated by the source6 W
Operational conditions1 differ
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
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 95%
Weight & dimensions2 differ
WidthDiffers234 mm259.4 mm
DepthDiffers190 mm235.2 mm
WeightKnown for one1.28 kgUnknown — not stated by the source
Height (max)Known for one19.5 cmUnknown — not stated by the source
Height (min)Known for one17 cmUnknown — not stated by the source
Package widthKnown for one275 mmUnknown — not stated by the source
Package depthKnown for one245 mmUnknown — not stated by the source
Package heightKnown for one110 mmUnknown — not stated by the source
Package weightKnown for one1.72 kgUnknown — not stated by the source
HeightKnown for oneUnknown — not stated by the source194.5 mm
Packaging contentidentical
ManualKnown for oneYesUnknown — not stated by the source
HandsetKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneUnknown — not stated by the sourceIn-band, Out-of band, SIP info
Hearing aid compatibilityKnown for oneUnknown — not stated by the sourceYes

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.

More ip phone comparisons

All ip phone comparisons