High Definition Color PoE IP Phone with Dual Display
VIP-2140PT
18
Anonymous Call (Hide Caller ID)
Call Forwarding (Always/Busy/No Answer)
Call Transfer (Attended/Unattended)
Call Parking, Pick-up (depending on server)
Redial/Auto-Redial
Do-Not-Disturb (per line, per phone)
Auto-Answering (per line)
Voice Message (on server)
Local 3-way Conference
Hot Line
Hot-Desking
Phone Features
Intelligent phonebook (up to 500 entries in total)
Remote phonebook (XML/LDAP)
Call log (100 entries in total, in/out/missed)
Black/White List Call Filtering
Voice Message Waiting Indication (VMWI)
Programmable DSS/Soft keys
Network Time Synchronization
Action URL/Active URI
Multi-language support via the web-based UI: English, Chinese
(Traditional/Simplified), Japanese, Russian, Italian, Turkish,
German, Dutch, Spanish, Hebrew, Polish, French, etc.
Audio Features
HD voice microphone/speaker (handset/hands-free, 0~7KHz
frequency response)
Wideband ADC/DAC 16KHz sampling
Narrowband codec: G.711a/u, G.723.1, G.726-32K, G.729AB
Wideband codec: G.722
Full-duplex acoustic echo canceller (AEC) – a tail length of 96ms in
hands-free mode
Voice activity detection (VAD), comfort noise generation (CNG),
background noise estimation (BNE), noise reduction (NR)
Packet loss concealment (PLC)
Dynamic adaptive jitter buffer up to 300ms
DTMF: In-band, out-of-band – DTMF-relay (RFC2833), SIP info
Environment
Operating Temperature
0 ~ 40 degrees C