Điện thoại IP Audio Codes 440HD

Technical Specifications for the 400HD Series

Telephony Features
Supplementary Features
Call Waiting, Call Hold, Call Transfer, Call Forward, 3-Way Conference (local mix) and network conferencing, Hot Line, DND, Mute, Speed Dial, Dial Plan, CWRR, Call Logs, Auto Answer via TALK event, Call Pickup
Signaling
Caller ID, MWI, DTMF Relay – RFC2833, DTMF via SIP INFO, Configurable Call Progress Tones
VoIP Applications
Unified Communications, IP Contact Centers, Open-source IP-PBX , Hosted IP-PBX and IP Centrex
Enhanced VoIP Processing Capabilities
Packet loss concealment, High quality wideband, Wideband acoustic echo canceler, Low-delay adaptive jitter buffers
Media Processing
Wideband Voice Coders
G.722, G.722.2*, OPUS*
Narrowband Voice Coders
G.711μ/a, G.729A/B, G.723.1, OPUS*
Additional Media Features
Acoustic echo cancelation (AEC) - multiple path, wideband acoustic EC, Packet Loss Concealment, Silence Suppression, Voice Activation Detection, Adaptive Jitter Buffer
Protocol Support:
VoIP and Signaling
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)
Data Protocols
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
Security
802.1x, HTTPS, SIP over TLS and SRTP, Configuration file encryption, PC port disable option
Provisioning & Management
Web Server for Configuration and Management, Configuration update via FTP, TFTP, HTTP, HTTPS, DHCP Options (66,67,160,12,60,77), Mass Deployment Provisioning with Global redirection server, Provision URL via SIP SUBSCRIBE and NOTIFY
General Specifications
Language support
English (default), Spanish, Italian, Portuguese, German, Russian, Ukrainian, Polish, French, Hebrew
Telephony Interface
RJ-9 Headset Jack X 1, USB port for headset1, DHSG1
Network Interface
2 LAN RJ-45 10/100/1000 Base-T for PC and LAN connectivity2
Power Requirements
+12V DC, 1A Power adapter AC 100V-240V and/or Integrated Power over Ethernet - IEEE 802.3af (see price list for ordering options)
Storage/Operation Temperature
-20° to +70°C / 0° to +40°C (-4 to +158°F / 32 to +104°F)
Approvals, Safety and
Country Certifications
FCC Part 15 Class B, ICES-003 Class B, EN55022 Class B, EN61000-3-2, EN61000-3-3, UL-60950-1, EN60950-1, IEC-60950-1 (CB), CE mark, cTUVus, Australia A-Tick, AS/NZS60950-1 and AS/ASIF S004, Brazil Anatel, Japan