Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6

53specifications compared
20differ
33identical
21known for one product only

Key differences

The AudioCodes 425HD TAA IP-Phone PoE GbE black has 7 more programmable keys than the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 (8 vs 1). The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 15.5 mm more width than the AudioCodes 425HD TAA IP-Phone PoE GbE black (225.9 mm vs 210.4 mm). The AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has 119.4 mm more depth than the AudioCodes 425HD TAA IP-Phone PoE GbE black (210.3 mm vs 90.9 mm). Only the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has touchscreen. Only the AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 has Wi-Fi.

Number of programmable keys
- 425HD TAA IP-Phone PoE GbE black:8
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:1
Display
- 425HD TAA IP-Phone PoE GbE black:LCD
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:TFT
Display diagonal
- 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:12.7 cm (5")
Display resolution
- 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:1280 x 720 pixels
Touchscreen
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Yes
Voice codecs
- 425HD TAA IP-Phone PoE GbE black:G.711, G.722, G.729, OPUS
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:G.711, G.722, G.729, Silk
Wi-Fi
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Yes
Bluetooth
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6:Yes

Side by side

Differences highlightedShow differences only

Comparison of 425HD, C456HD
74 specifications	A AudioCodes 425HD TAA IP-Phone PoE GbE black Model 425HD View product	B AudioCodes Teams C456HD TAA IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi 6 Model C456HD View product
Designidentical
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colour	Black	Black
Wall mountableKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Operating system installedKnown for one	Unknown — not stated by the source	Android
Operating system versionKnown for one	Unknown — not stated by the source	13
Dual-Tone Multi-Frequency (DTMF) modes	SIP info	SIP info
Phone featuresidentical
Answering machine	Yes	Yes
Call hold	Yes	Yes
Call transfer	Yes	Yes
Caller ID	Yes	Yes
Full duplex	Yes	Yes
Message-waiting indicator (MWI)	Yes	Yes
Redialing	Yes	Yes
Speed dialling	Yes	Yes
Lines quantityKnown for one	4 lines	Unknown — not stated by the source
Call forwardingKnown for one	Yes	Unknown — not stated by the source
Call parkKnown for one	Yes	Unknown — not stated by the source
Call pick upKnown for one	Yes	Unknown — not stated by the source
Call waitingKnown for one	Yes	Unknown — not stated by the source
Conference callKnown for one	Yes	Unknown — not stated by the source
Do not disturb functionKnown for one	Yes	Unknown — not stated by the source
Management features1 differ
Integrated voicemailKnown for one	Unknown — not stated by the source	Yes
Volume control	Buttons	Buttons
Number of programmable keysDiffers	8	1
Display4 differ
DisplayDiffers	LCD	TFT
Display diagonalDiffers	8.89 cm (3.5")	12.7 cm (5")
Display resolutionDiffers	320 x 480 pixels	1280 x 720 pixels
TouchscreenDiffers	No	Yes
Audio1 differ
Speakerphone	Yes	Yes
Microphone mute	Yes	Yes
Adaptive jitter buffers	Yes	Yes
Comfort noise generation (CNG)Known for one	Unknown — not stated by the source	Yes
Echo cancellation	Yes	Yes
Packet loss concealment (PLC)	Yes	Yes
Voice activity detection	Yes	Yes
Voice codecsDiffers	G.711, G.722, G.729, OPUS	G.711, G.722, G.729, Silk
Network5 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet	Gigabit Ethernet
Wi-FiDiffers	No	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothDiffers	No	Yes
Networking standardsDiffers	IEEE 802.3af, IEEE 802.1x, IEEE 802.1p	IEEE 802.3af
Quality of Service (QoS) support	Yes	Yes
Security algorithmsDiffers	802.1x RADIUS, HTTPS, SRTP, TLS	HTTPS, SRTP, TLS
Supported network protocolsDiffers	IPv4, 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, LDAP	UDP/TCP, NTP, DNS/SRV
VoIP protocolsKnown for one	SIP – 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
Ports & interfacesidentical
Headset connectivityKnown for one	Unknown — not stated by the source	USB
Cable lock slot	Yes	Yes
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	2	2
WAN connection type	RJ-45	RJ-45
RJ-9 ports quantityKnown for one	1	Unknown — not stated by the source
Certificates1 differ
Certified for Microsoft TeamsKnown for one	Unknown — not stated by the source	Yes
Compliance certificatesDiffers	Federal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, TAA	TAA
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
Weight & dimensions8 differ
WidthDiffers	210.4 mm	225.9 mm
DepthDiffers	90.9 mm	210.3 mm
HeightDiffers	212.2 mm	92.6 mm
WeightDiffers	984 g	1.11 kg
Package widthDiffers	244 mm	323 mm
Package depthDiffers	320 mm	238 mm
Package heightDiffers	90 mm	86 mm
Package weightDiffers	1.46 kg	1.5 kg
Packaging contentidentical
Mounting kitKnown for one	Unknown — not stated by the source	Yes
Ethernet cable	Yes	Yes
HandsetKnown for one	Unknown — not stated by the source	Yes
Headset includedKnown for one	Unknown — not stated by the source	Yes
Manual	Yes	Yes
Number of handles included	1 pc(s)	1 pc(s)
Cables includedKnown for one	LAN (RJ-45)	Unknown — 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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