Normalne ślady użytkowania. Aukcja dotyczy tylko urządzenia. Bez zasilacza ale wspiera PoE.

specifications

Power

IEEE 802.3af Power over Ethernet (built in)
Optional external universal AC power supply: 100-240V, 1.3A, 48V/50W

Display

Size (W x H): 255 x 128 pixels
White LED backlight with custom intensity control

Keypad

Standard 12-key keypad
Context-dependent soft keys: 4
On-hook/Off-hook, redial, mute, volume up/down
Directional navigation wheel

Audio features

Full-duplex: Type 1 compliant with IEEE 1329 full duplex standards
Individual volume settings with visualfeedback for each audio path
Voice activity detection
Comfort noise fill
DTMF tone generation/DTMF event RTP payload
Low-delay audio packet transmission
Adaptive jitter buffers
Packet loss concealment
Acoustic echo cancellation
Background noise suppression
Supported codecs
G.711 (A-law and Mu-law)
G.729a (Annex B)
G.722, G.722.1
G.722.1C
Polycom Siren 14
Polycom Siren 22

Loudspeaker

Frequency: 160–22,000 Hz
Volume: Adjustable to 88 dB at 1/2 meter peak volume

Call handling features

Shared call/bridged line appearance
Busy Lamp Field (BLF)
Distinctive incoming call treatment/ call waiting
Call timer
Call transfer, hold, divert (forward), pickup
Called, calling, connected party information
Local three-way conferencing
One-touch speed dial, redial
Call waiting
Remote missed call notification
Automatic off-hook call placement
Do not disturb function

Other features

Local feature-rich GUI
Time and date display
User-configurable contact directory and call history (missed, placed, and received)
Customizable call progress tones
Wave file support for call progress tones
Unicode UTF-8 character support.
Multilingual user interface encompassing Chinese, Danish, Dutch, English (Canada/US/UK), French, German, Italian, Japanese, Korean, Norwegian,Portuguese, Russian, Spanish, Swedish

Network and provisioning

Ethernet 10/100 Base-T
2.5 mm connection port
EX mic ports: Two Walta ports
IP Address Configuration: DHCP and Static IP
Time synchronization with SNTP server
FTP/TFTP/HTTP/HTTPS server basedcentral provisioning for mass deployments.Provisioning server redundancy supported.
Web portal for individual unit configuration
QoS Support—IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS and DSCP
Network Address Translation (NAT) support—static
RTCP support (RFC 1889)
Event logging
Local digit map
Hardware diagnostics
Status and statistics
User selectable ringer tones
Convenient volume adjustment keys