The 440HD SIP IP Phone is a high-end, executive IP phone. The 440HD includes a dedicated LCD screen displaying contacts and their presence. 6 line, 2 concurrent calls per line Graphic multi-lingual LCD (132 X 64) 6 multi-function keys 4 programmable soft keys 12 programmable speed dial keys with presence monitoring on a dedicated LCD (376 X 60) GbE Support USB headset support 400HD SIP IP Phone Series Shared Features High voice quality Full duplex speaker phone Robust security mechanisms PoE Out of the box global redirection server support Multi-language user interface Centralized management with AudioCodes EMS
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
