The model WP04 Wi-Fi phone is a smart type design that supports 802.11b/g, SIP, G.711a/u-law, G.729a/b, UDP, RTP, DHCP and TFTP etc.

802.11b/g, IEEE 802.1x, 802.11i
WEP (64, 128 bit encryption)/ WPA /WPA2 /MD5 Auth
Direct IP call without SIP registration
Up to 4 SIP profiles possible
Dial registered number via SIP server
Dial URL from phone book / speed dial
Three-way calling / Call waiting
Call reject/ Redial/ Mute
Caller ID /Anonymous call
Message waiting indicator
5 way navigation paddle
Keyboard backlight
Vibrator switch
Key lock
Hands free
Volume control
Phonebook/ call logs
Codec G.711, G.729a/b
Comfort noise generation (CNG)
Voice activity detection (VAD)
Acoustic Echo Cancellation (AEC)
Net Search
Auto Scan
TFTP Provisioning
STUN support
Charging via USB on PC or adapter possible.
Very low power (longest standby/talk time)
Light and small: Breast pocket design

Packaging information:
Earphone,
USB cable,
Adapter
Phone dimension: 105 * 47 * 15mm
Color box dimension: 150 * 130 * 45mm
Weight: about 100g