VoIP phone with caller ID - 3-way call capability - SIP, SDP, SIP over TCP, SIP over UDP, SIP over TLS
| Main Specifications | |
|---|---|
| Product Description | AudioCodes 425HD - VoIP phone with caller ID - 3-way call capability |
| Product Type | VoIP phone with caller ID |
| VoIP Services | Microsoft Teams |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, SDP, SIP over TCP, SIP over UDP, SIP over TLS |
| Voice Codecs | G.722, Opus, SILK, G.711?/a, G.729ab |
| Speakerphone | Yes |
| Call Services | Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup, Caller ID |
| Display | Color |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | AudioCodes Device Manager, Microsoft Teams |
| General | |
| Product Type | VoIP phone |
| Miscellaneous | |
| Connections | Headset jack / RJ-9 ¦ USB |
| Placing / Mounting | Table-top |
| Display | |
| Type | Color |
| Display Location | Base |
| Diagonal Size | 3.5" |
| Display Languages | English, Spanish, Italian, Portuguese, German, Russian, Ukrainian, French, Polish, Hebrew, Finnish, Korean, Chinese (simplified), Chinese (traditional), Turkish, Japanese (Kanji), Japanese (Hiragana), Japanese (Katakana), Hungarian, Slovak, Czech |
| Phone Features | |
| VoIP Services | Microsoft Teams |
| Call Services | Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup, Caller ID |
| Caller ID Type | Caller ID |
| Dialer Location | Base |
| Conference Call Capability | 3-way |
| Speakerphone | Yes |
| Programmable Buttons Qty | 8 |
| Indicators | Message waiting indicator, busy lamp field (BLF) |
| Additional Functions | Hotline, Do Not Disturb (DND), mute, speed dial memory, auto answer, Shared bridged line appearance |
| IP Telephony | |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, SDP, SIP over TCP, SIP over UDP, SIP over TLS |
| Voice Codecs | G.722, Opus, SILK, G.711?/a, G.729ab |
| Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS), Diffserv per device (QoS) |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | DNS SRV, IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, HTTP, HTTPS, NTP, FTP, TFTP, CDP-LLDP, VLAN |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | AudioCodes Device Manager, Microsoft Teams |
| Voice Features | HD Voice, dual tone multi-frequency (DTMF), packet loss concealment (PLC), adaptive jitter buffer (AJB), acoustic echo cancellation (AEC), silence suppression, voice activity detection (VAD) |
| Network Features | Lightweight Directory Access Protocol (LDAP), IEEE 802.3af |
| Conference Phone | |
| Features | Echo cancellation |