Display and Controls

• Monochrome graphic LCD display (3 lines, resolution 242 × 55 pixels), with backlight and 6 contrast levels

• Adjustable stand with two tilt angles; wall mounting available with KX‑A433 adapter

Audio and Call Processing

• High-definition audio (HD Voice) with support for wideband codec G.722, plus G.711 a/u-law, G.726 (32 kbps) and G.729a

• Adjustable volume for handset, speakerphone, and headset (8 levels); echo cancellation and noise reduction

• Easy operation with 24 programmable keys (BLF/function keys)

Telephony Features

• Supports up to 4 SIP lines; compatible with Asterisk, BroadSoft, Panasonic PBX; conforms to RFC 3261

• Phonebook for up to 500 contacts, call log: 30 incoming and 30 outgoing calls

• 3-way local conferencing (depends on SIP server)

• XML interface, Music on Hold (MOH) support

Network and Management

• Two Ethernet ports (10/100 Mbps), PoE support (Class 2)

• Network protocols: DHCP, DNS, HTTP/HTTPS, SNTP, VLAN (802.1Q), QoS (DiffServ)

• Remote configuration via Plug & Play, TR‑069, Panasonic Redirect Server, web interface, and LCD menu

Energy Efficiency

• ECO mode reduces power usage to approx. 1.3 W (standby) and 1.5 W (in use)

• Typical power consumption: up to 1.8 W (standby), 2 W (in use); maximum ~6 W

• Optional AC power supply (not included; model KX‑A239)

Physical Specifications and Environment

• Dimensions (with handset and stand):

  • Upright position: 267 × 170 × 180 mm

  • Lower position: 267 × 187 × 155 mm

• Weight: approx. 1120 g

• Operating temperature: 0 °C to +40 °C

• AC adapter not included, sold separately (KX‑A239)