Product comparison · 2 ip phones

AudioCodes SFB 445HD IP-Phone PoE GbE black vs AudioCodes C448HD IP phone Black 8 lines TFT

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  • 61specifications compared
  • 13differ
  • 48identical
  • 5known for one product only

Key differences

  • Number of programmable keys
    • SFB 445HD IP-Phone PoE GbE black:18
    • C448HD IP phone Black 8 lines TFT:8
  • Display
    • SFB 445HD IP-Phone PoE GbE black:LCD
    • C448HD IP phone Black 8 lines TFT:TFT
  • Display diagonal
    • SFB 445HD IP-Phone PoE GbE black:10.9 cm (4.3")
    • C448HD IP phone Black 8 lines TFT:12.7 cm (5")
  • Display resolution
    • SFB 445HD IP-Phone PoE GbE black:480 x 272 pixels
    • C448HD IP phone Black 8 lines TFT:1280 x 720 pixels
  • Touchscreen
    • SFB 445HD IP-Phone PoE GbE black:No
    • C448HD IP phone Black 8 lines TFT:Yes
  • RJ-9 ports quantity
    • SFB 445HD IP-Phone PoE GbE black:2
    • C448HD IP phone Black 8 lines TFT:1
  • Width
    • SFB 445HD IP-Phone PoE GbE black:250 mm
    • C448HD IP phone Black 8 lines TFT:234 mm
  • Depth
    • SFB 445HD IP-Phone PoE GbE black:168 mm
    • C448HD IP phone Black 8 lines TFT:190 mm

Side by side

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Comparison of 445HD, C448HD
66 specifications
Designidentical
Product typeIP PhoneIP Phone
Handset typeWired handsetWired handset
Product colourBlackBlack
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesSIP infoSIP info
Phone featuresidentical
Lines quantity8 lines8 lines
Answering machineYesYes
Call forwardingYesYes
Call holdYesYes
Call parkYesYes
Call pick upYesYes
Call transferYesYes
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Do not disturb functionYesYes
Full duplexYesYes
Message-waiting indicator (MWI)YesYes
RedialingYesYes
Speed diallingYesYes
Management features1 differ
Integrated voicemailYesYes
Volume controlButtonsButtons
Number of programmable keysDiffers188
Display4 differ
DisplayDiffersLCDTFT
Display diagonalDiffers10.9 cm (4.3")12.7 cm (5")
Display resolutionDiffers480 x 272 pixels1280 x 720 pixels
TouchscreenDiffersNoYes
Cameraidentical
Front cameraNoNo
Audioidentical
SpeakerphoneYesYes
Microphone muteYesYes
Adaptive jitter buffersYesYes
Echo cancellationYesYes
Packet loss concealment (PLC)YesYes
Voice activity detectionYesYes
Voice codecsG.711Mu, G.711a, G.722, G.729A, G.729BG.711Mu, G.711a, G.722, G.729A, G.729B
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Wi-FiNoNo
BluetoothNoNo
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3afIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportYesYes
Security algorithmsHTTPS, SRTP, SSL/TLSHTTPS, SRTP, SSL/TLS
Supported network protocolsIPv4, 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, LDAPIPv4, 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
Ports & interfaces1 differ
USB 2.0 ports quantity11
DC-in jackYesYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers21
Certificatesidentical
CertificationFCC 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 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, BSMI
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltage100 - 240 V100 - 240 V
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-20 - 70 °C-20 - 70 °C
Weight & dimensions7 differ
WidthDiffers250 mm234 mm
DepthDiffers168 mm190 mm
WeightDiffers1.05 kg1.28 kg
Height (max)Known for oneUnknown — not stated by the source19.5 cm
Height (min)Known for oneUnknown — not stated by the source17 cm
Package widthDiffers316 mm275 mm
Package depthDiffers255 mm245 mm
Package heightDiffers95 mm110 mm
Package weightDiffers1.49 kg1.72 kg
HeightKnown for one163 mmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Cables includedLAN (RJ-45)LAN (RJ-45)
ManualKnown for oneUnknown — not stated by the sourceYes
Number of handles included1 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.

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