| Display | LCD Display | Monochrome Graphical |
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| LCD Size | 132 × 64 pixel 2.3 inch Graphical LCD |
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| LCD Contrast | 6 levels |
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| LCD Backlight | On/Auto/Off |
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| Install Options | Desk Mount Tilt | Yes – 2 positions |
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| Wall Mount | KX-A440 (optional) |
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| Power Adaptor | KX-A423 (optional) |
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| Audio Features | Handset, Speaker, Headset Volume | 8 levels (includes echo cancellation and distortion prevention) |
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| Ringtones | 27 |
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| Ringer Volume | 8 levels + Off |
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| Headset Port | RJ9 jack |
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| Electronic Hook Switch Control Port | - |
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| Audio Codec | G.711a-law / G.711µ-law / G.722 (wideband) / G.729a |
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| HD Voice | Yes |
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| Speaker Phone | Yes |
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| Keys | Programmable Keys | 2 |
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| Software Features | Phone Book (Local) | 500 |
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| LDAP Remote Phonebook | Yes |
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| XML Remote Phonebook | Yes |
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| Call Log Entries | 30 incoming calls + 30 outgoing calls |
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| Conferencing | 3 parties (within terminal – multi-party dependent on server) |
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| XML Application | Yes |
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| Music on Hold | Supplied by Host Service (PBX / SIP Server) |
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| IP Features | SIP Accounts | 2 |
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| SIP Compatibility | RFC 3261 Standard SIP Server, Asterisk, Broadsoft, Panasonic IP PBX |
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| IP Version | IPv6 / IPv4 |
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| DHCP Client | Yes |
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| DNS | Yes |
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| HTTP | Yes |
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| HTTPS | Yes |
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| SNTP Client | Yes |
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| VLAN (802.1q) | Yes |
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| QoS (DiffServ) | Yes |
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| Configuration | Plug & Play Configuration | Server based configuration, TR-069 |
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| Manual Configuration | Internal web Configurator, Local (LCD based) network configuration |
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| Interface | Ethernet Ports | 2 |
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| Ethernet Interface | 10/100 Mbps |
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| PoE (Power over Ethernet) | Yes |
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| Others | Power Consumption | PoE
Stand-by: approx. 2.2 W (ECO mode off), 1.9 W (ECO mode on)
Talking: 2.3 W (ECO mode off), 2.0 W (ECO mode on)
Max: 2.8 W
AC Adaptor
Stand-by: 2.0 W (ECO mode off), 1.3 W (ECO mode on)
Talking: 2.1 W (ECO mode off), 1.4 W (ECO mode on)
Max: 2.8 W |
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| Operating Environment | 0 °C - 40 °C (32 °F - 104 °F) |
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Dimensions
(Width x Depth x Height; excluding the handset, stand attached) | High position: | 167 mm x 165 mm x 148 mm |
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| Low position: | 167 mm x 173 mm x 115 mm |
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Weight
(with handset,handset cord and stand) | 691 g |
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