VoIP phone - SIP, SDP - 2 lines - black
| Main Specifications | |
|---|---|
| Product Description | AudioCodes 420HD IP Phone - VoIP phone |
| Product Type | VoIP phone |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, SDP |
| Voice Codecs | G.722, G.711u, G.711a |
| Lines Supported | 2 lines |
| Speakerphone | Yes |
| Call Services | Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Display | LCD display - monochrome - Yes |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Microsoft Lync |
| Body Color | Black |
| Manufacturer Warranty | 1-year warranty |
| General | |
| Product Type | VoIP phone |
| Body Color | Black |
| Manufacturer Warranty | |
| Service & Support | Limited warranty - 1 year |
| Miscellaneous | |
| Connections | Headset jack / RJ-9 |
| Display | |
| Type | LCD display - monochrome |
| Display Location | Base |
| Display Resolution | 128 x 48 pixels |
| Backlit | Yes |
| Phone Features | |
| Call Services | Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Dialer Location | Base |
| Speakerphone | Yes |
| Programmable Buttons Qty | 4 |
| Dimensions & Weight (Base) | |
| Width | 6.2 in |
| Depth | 6.4 in |
| Height | 7.4 in |
| Weight | 28.9 oz |
| IP Telephony | |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, SDP |
| Voice Codecs | G.722, G.711u, G.711a |
| Lines Supported | 2 lines |
| Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p, Type of Service (ToS) |
| IP Address Assignment | DHCP, static |
| Security | IEEE 802.1X |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | TCP, UDP, Cisco Discovery Protocol (CDP), ICMP, ARP, HTTP, HTTPS, Link Layer Discovery Protocol (LLDP), SRTP, RTCP, RTP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Microsoft Lync |
| Voice Features | Voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB) |
| Network Features | Network Address Translation (NAT), Lightweight Directory Access Protocol (LDAP) |