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KX-NT551 IP Telephone with 1-Line Display
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.
KEY FEATURES
- 1-line backlit LCD Display
- 8 flexible CO buttons
- 2 gigabit Ethernet port (1000 Base-T)
- Power-over-Ethernet (PoE)
- Eco mode
Product 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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