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Product comparison · 2 ip phones

AudioCodes C448HD IP phone Black 8 lines TFT vs Yealink T56A-Skype for Business

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  • 39specifications compared
  • 11differ
  • 28identical
  • 50known for one product only

Key differences

  • Volume control
    • Buttons
    • Yes
  • Display diagonal
    • 12.7 cm (5")
    • 17.8 cm (7")
  • Display resolution
    • 1280 x 720 pixels
    • 1024 x 600 pixels
  • RJ-9 ports quantity
    • 1
    • 2
  • Operating temperature (T-T)
    • 0 - 40 °C
    • -10 - 50 °C
  • Width
    • 234 mm
    • 259.4 mm
  • Depth
    • 190 mm
    • 235.2 mm

Side by side

Differences highlightedShow differences only
89 specifications
A

AudioCodes

C448HD IP phone Black 8 lines TFT

Model C448HD

View product
B

Yealink

T56A-Skype for BusinessView product
Designidentical
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourBlackBlack
Device lockKnown for oneYes
MountingKnown for oneDesk/Wall
Performance1 differ
Dual-Tone Multi-Frequency (DTMF) modesDiffersSIP infoIn-band, Out-of band, SIP info
Hearing aid compatibilityKnown for oneYes
Phone featuresidentical
Lines quantityKnown for one8 lines
Answering machineKnown for oneYes
Call forwardingYesYes
Call holdYesYes
Call parkYesYes
Call pick upKnown for oneYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Do not disturb functionKnown for oneYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
RedialingYesYes
Speed diallingKnown for oneYes
Common area phone (CAP)Known for oneYes
Hot deskingKnown for oneYes
Call historyKnown for oneYes
Emergency callKnown for oneYes
IntercomKnown for oneYes
Management features1 differ
Integrated voicemailYesYes
Volume controlDiffersButtonsYes
Number of programmable keysKnown for one8
Display2 differ
DisplayKnown for oneTFT
Display diagonalDiffers12.7 cm (5")17.8 cm (7")
Display resolutionDiffers1280 x 720 pixels1024 x 600 pixels
TouchscreenYesYes
Touchscreen typeKnown for oneCapacitive
Cameraidentical
Front cameraNoNo
Rear cameraKnown for oneNo
Audio1 differ
SpeakerphoneKnown for oneYes
Microphone muteYesYes
Adaptive jitter buffersKnown for oneYes
Echo cancellationKnown for oneYes
Packet loss concealment (PLC)Known for oneYes
Voice activity detectionKnown for oneYes
Voice codecsDiffersG.711Mu, G.711a, G.722, G.729A, G.729BAGC, AJB, CNG, G.711a, G.722, G.723.1, G.726, G.729A, G.729B, PLC, Silk, VAD
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Wi-FiKnown for oneNo
BluetoothKnown for oneNo
Networking standardsDiffersIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3afIEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3u
Quality of Service (QoS) supportYesYes
Security algorithmsKnown for oneHTTPS, SRTP, SSL/TLS
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, LDAP
DHCP clientKnown for oneYes
SyslogKnown for oneYes
Ports & interfaces1 differ
USB 2.0 ports quantity11
DC-in jackKnown for oneYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
Headset connectivityKnown for oneRJ-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 oneCE
SkypeKnown for oneYes
Sustainability complianceKnown for oneYes
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltageKnown for one5 V
AC adapter output currentKnown for one2 A
Power consumption (typical)Known for one4.5 W
Power consumption (Power over Ethernet (PoE))Known for one6 W
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C-10 - 50 °C
Storage temperature (T-T)Known for one-20 - 70 °C
Operating relative humidity (H-H)Known for one10 - 95%
Weight & dimensions2 differ
WidthDiffers234 mm259.4 mm
DepthDiffers190 mm235.2 mm
WeightKnown for one1.28 kg
Height (max)Known for one19.5 cm
Height (min)Known for one17 cm
Package widthKnown for one275 mm
Package depthKnown for one245 mm
Package heightKnown for one110 mm
Package weightKnown for one1.72 kg
HeightKnown for one194.5 mm
Packaging contentidentical
AC adapter includedYesYes
Cables includedLAN (RJ-45)LAN (RJ-45)
ManualKnown for oneYes
Number of handles included1 pc(s)1 pc(s)
HandsetKnown for oneYes
Quick start guideKnown for oneYes

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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