The upper range model features 4.4-inch large LCD for easy operation.

  • 6 SIP accounts
  • 4.4 inch large display for features and for CID/dialled number
  • HD Voice (G.722)
  • 500 entry phonebook
  • 3-way conference call support
  • Compatible with Asterisk, Broadsoft and CommuniGate Pro
  • 2 x 10/100/1000M ports, PoE
  • XML Application Interface
  • 24*1 Feature keys / BLF keys
  • Electronic hook switch (Plantronics)
  • Supports Bluetooth® wireless headsets*2
  • Plug and Play configuration
  • Ergonomic recessed button
  • Cable concealing back
  • Long handset cords
  • Non-slip rubber feet
  • Changeable angle stand
  • Wall mounting


  • Power consumption

    Power consumption

    Low standby power consumption

Technical Specification

.LCD Display -4-level grayscale graphical
.LCD Size -4.4 inch
.LCD Contrast -6 levels
.LCD Backlight -On/Auto/Off
Install Options
.Desk Mount Tilt– 2 positions
.Wall Mount -KX-A433 (optional)
.Power Adaptor -KX-A239 (optional)
Audio Features
.Handset, Speaker, Headset Volume -8 levels (includes echo cancellation and distortion prevention)
.Ringtones 32
.Ringer Volume 6 levels + Off
Other Audio Features
.Headset Port 2.5 mm
.Electronic Hook Switch Control Port*1 3.5 mm
.Audio Codec G.711a-law / G.711µ-law / G.722 (wideband) / G.729a / G.726 (32K)
HD Voice
.Speaker Phone-(Full Duplex)
Programmable Keys
.24 (3 pages of 8 keys)*2
Software Features
Phone Book (Entries) -500
.Call Log Entries -30 incoming calls + 30 outgoing calls
.Conferencing-3 parties (within terminal – multi-party dependent on server)
.Music on Hold Supplied by Host Service (PBX / SIP Server)
IP Features
.SIP Accounts-6
.SIP Compatibility-RFC 3261 Standard SIP Server, Asterisk, Broadsoft, CommuniGate Pro, Panasonic IP PBX
.IP Version-IPv4
.DHCP Client
..SNTP Client
.VLAN (802.1q)
.QoS (DiffServ
.Plug & Play Configuration Server based configuration, TR-069
.Manual Configuration Internal web Configurator, Local (LCD based) network configuration
.Ethernet Ports-2
.Ethernet Interface-10/100/1000 Mbps
.PoE (Power over Ethernet)
.Bluetooth®-1 (Bluetooth® wireless technology 2.0)
.Stand-by: approx. 3.5 W (ECO mode off), 2.3 W (ECO mode on)
Talking: 4.1 W (ECO mode off), 2.5 W (ECO mode on)
Max: 7.5 W
Operating Environment
.0 °C - 40 °C (32 °F - 104 °F)
Dimensions (Width x Depth x Height; handset on cradle, stand attached)
.High position:
267 mm x 170 mm x 180 mm
.Low position:
267 mm x 187 mm x 155 mm
Weight (with handset,handset cord and stand)
.1130 g
AC Adaptor
Stand-by: 4.0 W (ECO mode off), 2.2 W (ECO mode on)
Talking: 4.5 W (ECO mode off), 2.7 W (ECO mode on)
Max: 7.5 W