Tech specs
Brand
AudioCodes
Product Line
AudioCodes
Model
425HD
Manufacturer
AUDIOCODES
IP Address Assignment
DHCP, Static
IP Telephony Network Ports
2 x Ethernet 10Base-T/100Base-TX/1000Base-T
Network Features
IEEE 802.3af, Lightweight Directory Access Protocol (LDAP)
Network Protocols
ARP, CDP-LLDP, DNS SRV, FTP, HTTP, HTTPS, ICMP, IPv4, NTP, RTCP-XR, RTP, SRTP, TCP, TFTP, UDP, VLAN
Phone Connections
Headset jack / RJ-9, USB
Color Support
Color
Display Diagonal Size
3.5 inch
Display Diagonal Size (metric)
8.9 centimetre
Display Languages
Chinese (simplified), Chinese (traditional), Czech, English, Finnish, French, German, Hebrew, Hungarian, Italian, Japanese (Hiragana), Japanese (Kanji), Japanese (Katakana), Korean, Polish, Portuguese, Russian, Slovak, Spanish, Turkish, Ukrainian
Display Location
Base
Indicators & Controls
Busy lamp field (BLF), Message waiting indicator
Multiple Conferencing
3-way
Speakerphone
Yes
Voice Codec
G.711μ/a, G.722, G.729ab, Opus, SILK
Additional Functions
Auto answer, Do Not Disturb (DND), Hotline, Mute, Shared bridged line appearance, Speed dial memory
Call Services
Call Forwarding, Call Hold, Call park/pickup, Call Transfer, Call Waiting, Caller ID
Caller ID Type
Caller ID
Compatible Software
AudioCodes Device Manager, Microsoft Teams
Dialer Location
Base
Features
Echo Cancellation
Main Features
Integrated Ethernet switch, Multiple VoIP protocol support
Packaged Quantity
1
Placing/Mounting
Table-top
Power Over Ethernet (PoE) Support
Yes
Product Type
VoIP phone
Programmable Buttons
8
Quality of Service
Diffserv per device (QoS), IEEE 802.1p, IEEE 802.1Q (VLAN), Type of Service (ToS)
Security
IEEE 802.1X
Voice Features
Acoustic echo cancellation (AEC), Adaptive jitter buffer (AJB), Dual tone multi-frequency (DTMF), HD Voice, Packet loss concealment (PLC), Silence suppression, Voice activity detection (VAD)
VoIP
Yes
VoIP Protocols
SDP, SIP, SIP over TCP, SIP over TLS, SIP over UDP
VoIP Services
Microsoft Teams
Color Category
Black
ENERGY STAR Certified
No
EPEAT Compliant
No
TCO Certified
No
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