High Definition Color POE IP Phone with Dual Display: (2.8-inch and 2.4-inch key-mapping, LCD monitor, G.722 HD Voice, 4 SIP Lines, Multi-Language, 3-way Conferencing, Caller ID, DND, BLF, MWI, PoE, QoS, VPN, VLAN, STUN, Auto Provision, TR069)

SKU: VIP-2140PT Category: Tags: , ,



  • 2.8-inch (main) and 2.4-inch (DSS) key-mapping LCD monitor
  • 30 configurable and 6 multicolored LED keys
  • IETE SIP compliant with 4 identities/accounts
  • Wideband G.722 HD audio with Handset and Hands-free function
  • Multi-language support via the web-based UI
  • Gigabit switch and IEEE 802.3 AF/at Poe compliant
  • VPN, VLAN, QoS, TR069, and auto-provisioning

Advantageous Applications

  • Supports SIP 2.0 (RFC 3261)
  • Inband, SIP info, RFC 2833 DTMF relay
  • Soft keys and function keys programmable
  • Echo cancellation: Supports G.168, and a maximum filter length of 96ms in hands-free mode
  • Supports voice gain setting, voice activity detection (VAD), and comfort noise generation (CNG)
  • Full-duplex hands-free speakerphone
  • Hands-free headset ringing choice
  • Voice codec setting for each SIP line

Additional information


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 web-based UI: English, Chinese (Traditional/Simplified), Japanese, Russian, Italian, Turkish, German, Dutch, Spanish, Hebrew, Polish, French, etc.

Call Features

Call Out, Answer, Reject
Mute, Unmute (microphone)
Call Hold, Resume
Call Waiting
Caller ID Display
Speed Dial
Anonymous Call (Hide Caller ID)
Call Forwarding (Always/Busy/No Answer)
Call Transfer (Attended/Unattended)
Call Park, Pick-up (depending on server)
Do-Not-Disturb (per line, per phone)
Auto-Answering (per line)
Voice Message (on server)
Local 3-way Conference
Hot Line

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

Lines (Direct Numbers)

4 SIP Lines

Physical Interfaces

Main 2.8-inch (320 x 240) color LCD monitor
DSS key-mapping color LCD monitor


38 keys, including
4 Soft-keys
6 Function keys
5 Navigation keys
12 Standard Phone Digits keys
3 Volume Control keys, Up/Down/Mute (Microphone)
1 Hands-free key
6 DSS Keys with tri-color LED
1 Page-Jump/Configuration (PJC) key

Network Requirement

RJ45 Ethernet jacket x 2:
Network x 1 (802.3af PoE Class 2 enabled)
PC x 1 (Bridged Network)


HD hands-free speaker (0 ~ 7KHz) x 1
HD hands-free microphone (0 ~ 7KHz) x 1
HD handset (RJ9) x 1

Power Requirement

IEEE 802.3af
5V 1000mA (optional external power supply)
Power Consumption: Idle – ~ 1.7W, Peak – ~5.7W


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  • Vendor: obuy
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