Voice over ip
sip (rfc 3261)compliant
g711a/u, g.729a/b voice codec
dynamic jitter buffer
avd, aec, cng
in-band dtmf, out-of-band /dtmf (info, rfc2833)
support qos

Call features
call transfer, call waiting,
call hold, call forward, cid ect.

Phone feature
64-chords polyphonic midi ring tone, mp3 ring tone and playback
sound / vibration / sound& vibration
call history£¡§inbound / outbound / missed£©
phone book (500 records)
speed dial (100 records)

Applications
alarm, calendar, calculator, world time

Wireless lan
802.11e wnn / wnn-ps
support g.711, g.729a/b, g.726

Wireless lan security
wep (64/128bits
wpa-psk/wpa2-psk(tkip and aes)
md5 for sip authentication(rfc2069/rfc2617)
802.1x(ttls/md5)

Network
wireless lan site survey
simple wlan profile configuration for instant
Network connection
dhcp/ static ip

Management
auto/manually provisioning
system trace log£¬syslog for exception
ntp time synchronization

Packed in box of each piece, 10boxes to a carton
Carton size:35*32*22.5cm
G.W.:5.5kgs
N.W.:4.6kgs.