KX-NT551 IP TELEPHONE WITH 1-LINE DISPLAY SPECIFICATIONS AND DETAILS
OverviewÂ
A range of options to suit your business. Maximum performance delivered via a gigabit connection. The KX-NT551 IP telephone delivers exceptional professional performance. It takes you to a new dimension in audio experience, thanks to excellent HD quality audio, combined with easy access to powerful supportive features and applications. The sleek, ultra-modern design, available in both black and white, works well with any office decor.
Tech Specifications
Specification | Description |
LCD Type | Graphic |
LCD Dots (W x H) | 160 x 18 |
LCD Line | 1 |
LCD Character | 16/line |
LCD Backlight | Yes (On/Automatic/Off) |
LCD Contrast | 4 levels |
Ethernet Port | 2-Gigabit Ethernet port |
Handset | Wideband compliant Hearing aid compatibility (HAC) |
Headset port | Yes (2.5 mm audio jack) |
Electronics Hook Switch (EHS) | No |
Speakerphone | Yes (Full Duplex) IEEE1329 compatible |
Microphone | Yes |
Option Unit connection | No |
Bluetooth (for headset) | No |
PoE | Yes (Class 3) |
AC Adapter | Yes (Option) |
Wall mount kit | Yes (Option) |
Dimension (W x D x H mm) | 205 x 160 x 170 |
FF Keys | 8 |
Page Key | No |
Soft Keys | No |
0-9, *, # Keys | Yes |
REDIAL Key | Yes |
FLASH/RECALL Key | Yes |
HOLD Key | Yes |
SP-PHONE Key | Yes |
AUTO ANSWER/MUTE Key | Yes |
AUTO DIAL/STORE Key | Yes |
TRANSFER Key | Yes |
INTERCOM Key | Yes |
PAUSE Key | Yes*1 |
CONF Key | Yes |
FWD/DND Key | No |
MESSAGE Key | Yes |
Navigator key | No |
4-Directions Key | Yes*2 |
CANCEL Key | No |
Program Key | Yes*1 |
LED Message/Ringer Lamp | Yes (Green/Red) |
LED FF Keys | Yes (Green/Red) |
LED INTERCOM | Yes (Green) |
LED SP-PHONE | Yes (Red) |
LED AUTO ANSWER/MUTE | Yes (Red) |
LED AUTO DIAL/STORE | Yes (Red) |
LED CONF | No |
LED FWD/DND | No |
Self-Labelling (Desi-less) | No |
Auto Redial | Yes*3 |
Off-Hook Monitor | Yes |
Handset/Headset Mic Mute | Yes |
Speakerphone Mic Mute | Yes |
Phone Directory | Yes |
Feature Access | No |
Outgoing Call Log | Yes |
Incoming Call Log | Yes |
Melody Ringer | No |
Tone Through | No |
Firmware upload | Yes |
Peer-to-Peer Connection | Yes |
VLAN | Yes |
QoS (DiffServ) | Yes |
DHCP Client | Yes |
Audio Codec | Yes (G.722/G.711(A-law/u-law)/G.729A) |
VoIP Security | Yes*4 |
Ping Transmission | Yes |
IP Port Flexibility | Yes |
IPv6 | No |
Query/Announce | Yes |
FTP | Yes |
PTAP | Yes |
MGCP | Yes |
RTP | Yes |
Rerouting to Secondary PBX | Yes |
Media Relay Gateway | Yes |
XML Application | No |
LLDP-MED | Yes |
System Programming | No |
Station Programming | Yes |
Local Programming | Yes*5 |
Electric Volume Headset | 6 levels |
Electric Volume Handset | 6 levels |
Electric Volume Speakerphone | 8 levels |
Electric Volume Ringer | 4 + Off |
Tones/Music Ring tone | 9 |
Tones/Music on Hold | No (Tone) |
ECO mode | Yes |
Ethernet Speed/Duplex | Yes (Auto/10M-Full/10M-Half/100M-Full/100M-Half) |
Footnote | *1Program (ordinarily)/Pause (in programming)
*2 Both Navigator Key and 4-Directions Key are a kind of arrow-key. Navigator Key has ENTER button but 4-Directions Key does not have ENTER button. *3 Auto Redial feature is available on digital CO. *4 This is the authentication method which prevents malevolent people from spoofing. *5 Local Programming items (IP Address/Subnetmask/Default Gateway/MAC Address (Only display)/MGCP Server IP Address/Ping send etc.). Language: only English |
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