Product comparison · 2 ip phones

AudioCodes 420HD IP phone Black 2 lines LCD vs AudioCodes 450HD IP phone Black 8 lines TFT

27specifications compared
5differ
22identical
40known for one product only

Key differences

Lines quantity
- 420HD IP phone Black 2 lines LCD:2 lines
- 450HD IP phone Black 8 lines TFT:8 lines
Number of programmable keys
- 420HD IP phone Black 2 lines LCD:4
- 450HD IP phone Black 8 lines TFT:8
Display
- 420HD IP phone Black 2 lines LCD:LCD
- 450HD IP phone Black 8 lines TFT:TFT
Display resolution
- 420HD IP phone Black 2 lines LCD:128 x 48 pixels
- 450HD IP phone Black 8 lines TFT:800 x 480 pixels

Side by side

Differences highlightedShow differences only

Comparison of 420HD, 450HD
67 specifications	A AudioCodes 420HD IP phone Black 2 lines LCD Model 420HD View product	B AudioCodes 450HD IP phone Black 8 lines TFT Model 450HD View product
Designidentical
Product type	IP Phone	IP Phone
Handset type	Wired handset	Wired handset
Product colour	Black	Black
MountingKnown for one	Desk/Wall	Unknown — not stated by the source
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Dual-Tone Multi-Frequency (DTMF) modesKnown for one	Unknown — not stated by the source	SIP info
Phone features1 differ
Lines quantityDiffers	2 lines	8 lines
Answering machineKnown for one	Unknown — not stated by the source	Yes
Call forwardingKnown for one	Unknown — not stated by the source	Yes
Call hold	Yes	Yes
Call parkKnown for one	Unknown — not stated by the source	Yes
Call pick upKnown for one	Unknown — not stated by the source	Yes
Call transfer	Yes	Yes
Call waitingKnown for one	Unknown — not stated by the source	Yes
Caller ID	Yes	Yes
Conference callKnown for one	Unknown — not stated by the source	Yes
Do not disturb functionKnown for one	Unknown — not stated by the source	Yes
Full duplexKnown for one	Unknown — not stated by the source	Yes
Message-waiting indicator (MWI)Known for one	Unknown — not stated by the source	Yes
RedialingKnown for one	Unknown — not stated by the source	Yes
Speed diallingKnown for one	Unknown — not stated by the source	Yes
Management features1 differ
Integrated voicemail	Yes	Yes
Volume control	Buttons	Buttons
Number of programmable keysDiffers	4	8
Display2 differ
DisplayDiffers	LCD	TFT
Display diagonalKnown for one	Unknown — not stated by the source	12.7 cm (5")
Display resolutionDiffers	128 x 48 pixels	800 x 480 pixels
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Audioidentical
Speakerphone	Yes	Yes
Microphone mute	Yes	Yes
Adaptive jitter buffersKnown for one	Unknown — not stated by the source	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Packet loss concealment (PLC)Known for one	Unknown — not stated by the source	Yes
Voice activity detectionKnown for one	Unknown — not stated by the source	Yes
Voice codecsKnown for one	Unknown — not stated by the source	G.711Mu, G.711a, G.722, G.729A, G.729B, OPUS
Network1 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-Fi	No	No
Bluetooth	No	No
Networking standardsDiffers	IEEE 802.3af	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Quality of Service (QoS) supportKnown for one	Unknown — not stated by the source	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	HTTPS, SRTP, SSL/TLS
Supported network protocolsKnown for one	Unknown — not stated by the source	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
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	2	2
RJ-9 ports quantity	1	1
Headset connectivityKnown for one	RJ-9	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	FCC 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
Skype	Yes	Yes
Poweridentical
Power over Ethernet (PoE)	Yes	Yes
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output voltageKnown for one	12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	234 mm
DepthKnown for one	Unknown — not stated by the source	190 mm
WeightKnown for one	Unknown — not stated by the source	1.28 kg
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
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	LAN (RJ-45)
ManualKnown for one	Unknown — not stated by the source	Yes
Number of handles included	1 pc(s)	1 pc(s)
Headset includedKnown for one	Yes	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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