Product comparison · 2 ip phones

AudioCodes 425HD TAA IP-Phone PoE GbE black vs AudioCodes Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi

61specifications compared
20differ
41identical
20known for one product only

Key differences

Lines quantity
- 425HD TAA IP-Phone PoE GbE black:4 lines
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:8 lines
Display
- 425HD TAA IP-Phone PoE GbE black:LCD
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:TFT
Display diagonal
- 425HD TAA IP-Phone PoE GbE black:8.89 cm (3.5")
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:12.7 cm (5")
Display resolution
- 425HD TAA IP-Phone PoE GbE black:320 x 480 pixels
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:1280 x 720 pixels
Touchscreen
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:Yes
Wi-Fi
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:Yes
Bluetooth
- 425HD TAA IP-Phone PoE GbE black:No
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:Yes
Width
- 425HD TAA IP-Phone PoE GbE black:210.4 mm
- Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi:236 mm

Side by side

Differences highlightedShow differences only

Comparison of 425HD, C455HD
81 specifications	A AudioCodes 425HD TAA IP-Phone PoE GbE black Model 425HD View product	B AudioCodes Teams C455HD IP-Phone PoE GbE black with integrated BT and Dual Band Wi-Fi Model C455HD 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	9
Dual-Tone Multi-Frequency (DTMF) modes	SIP info	SIP info
Phone features1 differ
Lines quantityDiffers	4 lines	8 lines
Answering machine	Yes	Yes
Call forwarding	Yes	Yes
Call hold	Yes	Yes
Call park	Yes	Yes
Call pick up	Yes	Yes
Call transfer	Yes	Yes
Call waiting	Yes	Yes
Caller ID	Yes	Yes
Conference call	Yes	Yes
Do not disturb function	Yes	Yes
Full duplex	Yes	Yes
Message-waiting indicator (MWI)	Yes	Yes
Redialing	Yes	Yes
Speed dialling	Yes	Yes
Management featuresidentical
Integrated voicemailKnown for one	Unknown — not stated by the source	Yes
Volume control	Buttons	Buttons
Number of programmable keys	8	8
Firmware upgradeableKnown for one	Unknown — not stated by the source	Yes
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
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.711Mu, G.711a, G.722, G.729A, G.729B, OPUS
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	802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.2
Networking standardsDiffers	IEEE 802.3af, IEEE 802.1x, IEEE 802.1p	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) support	Yes	Yes
Security algorithmsDiffers	802.1x RADIUS, HTTPS, SRTP, TLS	HTTPS, SRTP, SSL/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	IPv4, 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
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
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
Cable lock slot	Yes	Yes
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	2	2
RJ-9 ports quantity	1	1
WAN connection type	RJ-45	RJ-45
Certificates1 differ
Compliance certificatesDiffers	Federal Communications Commission (FCC), ICES, UL, CE, CB, cTUVus, RCM, KC, CCC, EAC, Industry Canada (IC), VCCI, BSMI, TAA	Federal Communications Commission (FCC)
Sustainability complianceKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC adapter output voltageKnown for one	Unknown — not stated by the source	12 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2 A
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	236 mm
DepthDiffers	90.9 mm	200 mm
HeightDiffers	212.2 mm	165.9 mm
WeightDiffers	984 g	988 g
Height (max)Known for one	Unknown — not stated by the source	19.5 cm
Height (min)Known for one	Unknown — not stated by the source	17 cm
Package widthDiffers	244 mm	280 mm
Package depthDiffers	320 mm	245 mm
Package heightDiffers	90 mm	110 mm
Package weightDiffers	1.46 kg	1.55 kg
Packaging contentidentical
Cables included	LAN (RJ-45)	LAN (RJ-45)
Manual	Yes	Yes
Number of handles included	1 pc(s)	1 pc(s)
Ethernet cableKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Master (outer) case gross weightKnown for one	Unknown — not stated by the source	14.5 kg
Master (outer) case heightKnown for one	Unknown — not stated by the source	291 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	467 mm
Master (outer) case widthKnown for one	Unknown — not stated by the source	579 mm

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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