LCD Display: 3.6 Inch Monochrome
LCD Backlight: On / Auto / Off
Auto Redial: Yes
Off-Hook Monitor: Yes
Handset/Headset Mic Mute: Yes
Melody Ringer: Yes
Ethernet Ports: 2 x 10/100/1000
VoIP Security: Yes
LCD Contrast: 4 levels
Desk Mount Tilt: Yes (2 positions)
Power over Ethernet (PoE): Yes
Handset: Wideband compliant
Ringtones: 30 different
Ringer Volume: 4 levels & Off
Headset Port: 2.5 mm audio jack
Electronic Hook Switch Control Port: No
Audio Codec: G.722 / G.711 / G.729A
Soft Keys: 4
Firmware Upload: Yes
VLAN: Yes
QoS (DiffServ): Yes
DHCP Client: Yes
Ping Transmission: Yes
Call Log Entries: Depends on the PBX model or settings
Power Adaptor: Optional: KX-A424
Wall Mount Kit: Optional: KX-A435
Speakerphone Mic Mute: Yes
Phone Directory: Yes, 100 Entries (personal), 1000 Entries (system)
Rerouting to Secondary PBX: Yes
XML Application: No
ECO Mode: No
LCD Size (Pixels, Lines): 6 Lines (Main: 3 lines, FF Key: 3 lines)
Programmable Keys (FF Keys): 24 (4 pages of 6 keys)
Navigation Key: Yes
Speakerphone (HD): Yes (Full Duplex)
Volume Level: (Handset/Headset/SP Phone) 6 levels
Bluetooth (Built-in): No
Peer-to-Peer Connection: Yes
NAT Traversal: Yes
IP Port Number Flexibility: Yes