- VoIP Protocol: SIP (RFC 3261)
- Codec G.711u-law, G.711a-law, G.723.1 5.3K, G.723.1 6.3K, G.729 a/b
- Voice Quality: VAD (Voice Activity Detection), CNG (Comfort Noise Generation),
AEC (Acoustic Echo Cancellation) G.167, LEC G.168, Jitter Buffer
- QoS 802.11e

- Battery : 3.7v, 1200mAh Li-On
- Standby Time: Up to 100 hours
- Talk Time: Up to 5 hours
- Operation Range: Outdoors 985 ft (300m), Indoors: 250 ft (75m)

- Call Features: Call Hold, Mute, Retrieve, Transfer, Call Waiting, Forwarding, Caller ID, Blocking, Redial, Speed Dial, Direct IP Call

- 8 Selectable Polyphonic Ring Tones
- Ring Mode: Ring & Vibrate, Ring Only, Vibrate Only & Silence
- 5 Bar Volume Control
- 4 Sound Settings: Normal, Outdoor, Office & Silence
- Supports: DTMF, Ring Back Tone, Dial Tone, Busy Tone, Key Tone

- Soft-DSP MP4 module - for IP surveillance applications

Network Settings
- WLAN Type 802.11b/g
- WLAN Data Rate 6, 9, 12, 18, 24, 36, 48, 54 Mbps for 802.11g
- WLAN Sensitivity: 68dBm for 11g 54Mbps, 83dBm for 11b 11Mbps, 91dBm for 1Mbps
- Transmission Power: 15dBm for 1Mbps
- WLAN Operating Frequencies:
USA/Canada: 2.412 MHz – 2.462 GHz (11 channels)
Europe: 2.412 – 2.472 GHz (13 channels)
Japan: 2.412 – 2.472 and 2.484 GHz (14 channels)
- Security: WEP 64/128, WPA-SPK, WPA2-SPK, MD5 For SIP Authentication
- NAT Traversal: STUN (RFC3489), Outbound Proxy
- IP Assignment: DHCP / Static IP
- Auto Provisioning via FTP
- Micro Web Browser For Hotspot Authentication & Web Site Use

- Screen Brightness & Power Save Modes
- 5 Selectable Wallpaper Display

Additional Specifications
AC Adapter: Input AC 100-240V 50-60 Hz; Output DC 5V 1000mA
LCD Display 2.2'' TFT Color, 16-bit 65,536 colors (176x220)
24 Key Keypad
Embedded Antenna
Dimensions: 4.45'' x 2 x .68 in (113.5 * 51.6 * 17.4 mm)
Weight: 3.7oz (105g w/ battery)