Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs Yealink-SIP-T73U

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  • 37specifications compared
  • 14differ
  • 23identical
  • 46known for one product only

Key differences

The Yealink-SIP-T73U has 1 more RJ-9 ports quantity than the AudioCodes 425HD TAA IP-Phone PoE GbE black (2 vs 1). The AudioCodes 425HD TAA IP-Phone PoE GbE black has 1.4 mm more width than the Yealink-SIP-T73U (210.4 mm vs 209 mm). The Yealink-SIP-T73U has 76.6 mm more depth than the AudioCodes 425HD TAA IP-Phone PoE GbE black (167.5 mm vs 90.9 mm). Handset type: Wired handset on the AudioCodes 425HD TAA IP-Phone PoE GbE black, Wired & Wireless handset on the Yealink-SIP-T73U. Display diagonal: 8.89 cm (3.5") on the AudioCodes 425HD TAA IP-Phone PoE GbE black, 7.11 cm (2.8") on the Yealink-SIP-T73U.

  • Handset type
    • 425HD TAA IP-Phone PoE GbE black:Wired handset
    • Yealink-SIP-T73U:Wired & Wireless handset
  • Display diagonal
    • 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
    • Yealink-SIP-T73U:7.11 cm (2.8")
  • Display resolution
    • 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
    • Yealink-SIP-T73U:320 x 240 pixels
  • RJ-9 ports quantity
    • 425HD TAA IP-Phone PoE GbE black:1
    • Yealink-SIP-T73U:2
  • Operating temperature (T-T)
    • 425HD TAA IP-Phone PoE GbE black:0 - 40 °C
    • Yealink-SIP-T73U:10 - 45 °C
  • Storage temperature (T-T)
    • 425HD TAA IP-Phone PoE GbE black:-20 - 70 °C
    • Yealink-SIP-T73U:-10 - 70 °C
  • Width
    • 425HD TAA IP-Phone PoE GbE black:210.4 mm
    • Yealink-SIP-T73U:209 mm
  • Depth
    • 425HD TAA IP-Phone PoE GbE black:90.9 mm
    • Yealink-SIP-T73U:167.5 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 425HD, T73U
83 specifications
Design1 differ
Product typeIP PhoneIP Phone
Handset typeDiffersWired handsetWired & Wireless handset
Product colourBlackBlack
Backlight keypadKnown for oneUnknown — not stated by the sourceYes
MountingKnown for oneUnknown — not stated by the sourceDesk
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for oneSIP infoUnknown — not stated by the source
Phone featuresidentical
Lines quantityKnown for one4 linesUnknown — not stated by the source
Answering machineYesYes
Call forwardingYesYes
Call holdYesYes
Call parkKnown for oneYesUnknown — not stated by the source
Call pick upKnown for oneYesUnknown — not stated by the source
Call transferKnown for oneYesUnknown — not stated by the source
Call waitingYesYes
Caller IDYesYes
Conference callYesYes
Do not disturb functionKnown for oneYesUnknown — not stated by the source
Full duplexKnown for oneYesUnknown — not stated by the source
Message-waiting indicator (MWI)YesYes
RedialingYesYes
Speed diallingYesYes
Call historyKnown for oneUnknown — not stated by the sourceYes
Call returnKnown for oneUnknown — not stated by the sourceYes
Emergency callKnown for oneUnknown — not stated by the sourceYes
IntercomKnown for oneUnknown — not stated by the sourceYes
Number of VoIP accountsKnown for oneUnknown — not stated by the source12
Phonebook capacityKnown for oneUnknown — not stated by the source1000 entries
Phonebook sharingKnown for oneUnknown — not stated by the sourceYes
Management featuresidentical
Volume controlKnown for oneButtonsUnknown — not stated by the source
Number of programmable keysKnown for one8Unknown — not stated by the source
Management platformKnown for oneUnknown — not stated by the sourceYealink Device Management Platform
Display2 differ
DisplayLCDLCD
Display diagonalDiffers8.89 cm (3.5")7.11 cm (2.8")
Display resolutionDiffers320 x 480 pixels320 x 240 pixels
TouchscreenKnown for oneNoUnknown — not stated by the source
Audio1 differ
SpeakerphoneYesYes
Microphone muteYesYes
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.711, G.722, G.729, OPUSG.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
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 oneNoUnknown — not stated by the source
BluetoothKnown for oneNoUnknown — not stated by the source
Networking standardsKnown for oneIEEE 802.3af, IEEE 802.1x, IEEE 802.1pUnknown — not stated by the source
Quality of Service (QoS) supportYesYes
Security algorithmsDiffers802.1x RADIUS, HTTPS, SRTP, TLSWPA2, WPA3
Supported network protocolsKnown for oneIPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, static IP/DHCP IP assignment, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN configuration, LDAPUnknown — not stated by the source
VoIP protocolsKnown for oneSIP – RFC 3261, SDP – RFC 2327, SIP over TCP/UDP/TLS, DNS_SRV (redundancy), digest authentication, PRACK, early media, SIP subscribe notify, BLF (busy lamp field), presence, MWI (message waiting indication)Unknown — not stated by the source
SyslogKnown for oneUnknown — not stated by the sourceYes
Ports & interfaces1 differ
Cable lock slotKnown for oneYesUnknown — not stated by the source
DC-in jackYesYes
Ethernet LAN (RJ-45) ports22
RJ-9 ports quantityDiffers12
WAN connection typeKnown for oneRJ-45Unknown — not stated by the source
Headset connectivityKnown for oneUnknown — not stated by the sourceRJ-9
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
Certificatesidentical
Compliance certificatesKnown for oneFederal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, TAAUnknown — not stated by the source
Poweridentical
Power over Ethernet (PoE)YesYes
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC adapter output voltageKnown for oneUnknown — not stated by the source5 V
AC adapter output currentKnown for oneUnknown — not stated by the source2 A
Operational conditions2 differ
Operating temperature (T-T)Differs0 - 40 °C10 - 45 °C
Storage temperature (T-T)Differs-20 - 70 °C-10 - 70 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Weight & dimensions6 differ
WidthDiffers210.4 mm209 mm
DepthDiffers90.9 mm167.5 mm
HeightDiffers212.2 mm214.8 mm
WeightKnown for one984 gUnknown — not stated by the source
Package widthDiffers244 mm231 mm
Package depthDiffers320 mm237 mm
Package heightDiffers90 mm102 mm
Package weightKnown for one1.46 kgUnknown — not stated by the source
Packaging contentidentical
Cables includedKnown for oneLAN (RJ-45)Unknown — not stated by the source
Ethernet cableYesYes
ManualKnown for oneYesUnknown — not stated by the source
Number of handles included1 pc(s)1 pc(s)
Mounting kitKnown for oneUnknown — not stated by the sourceYes
HandsetKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown 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.

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